Slime 3K: Rise Against Despot is a roguelite survival game developed by Konfa Games and published by tinyBuild.

The story takes place in the year 3000, where an evil artificial intelligence called the Despot rules the world. A blob of goo created as part of the Despot's experiments unexpectedly becomes sentient and decides to rebel.

You play as the murderous slime.

Your objective is simple:

Escape captivity, destroy the Despot's creations, grow stronger, and survive the onslaught.

The game combines the survival structure popularized by bullet-heaven games with a deeper deckbuilding system and a shop inspired by AutoChess.

Slime 3K Gameplay

The core gameplay revolves around surviving increasingly intense waves of enemies.

As the run progresses, enemies become stronger and more numerous. Your slime must continuously improve its arsenal and abilities to keep up.

During each run, you can acquire cards that influence your weapons and traits. By combining different cards, you can create specialized builds designed around different approaches to combat.

The gameplay loop can be summarized as:

Fight → Collect → Upgrade → Build Your Deck → Survive → Become Stronger

Every run can develop differently depending on the cards and upgrades you choose.

Bullet-Heaven Survival Action

Slime 3K belongs to the bullet-heaven style of survival games.

Instead of fighting only a handful of enemies at once, you'll frequently face huge groups of opponents.

The screen can become packed with enemies, projectiles, effects, and attacks.

Your goal isn't simply to defeat individual opponents.

You need to:

• Control enemy crowds
• Avoid incoming attacks
• Choose useful upgrades
• Improve your damage
• Build effective combinations
• Survive increasingly difficult waves
• Defeat powerful enemies and bosses

This creates the chaotic, fast-moving action that defines the game's survival format.

Deckbuilding System

The deckbuilding mechanic is one of Slime 3K's biggest differences from traditional survivor games.

Instead of relying only on random weapon upgrades, players can unlock, upgrade, mix, and match cards.

These cards influence the weapons and traits available during your runs.

The system allows you to experiment with different combinations and create specialized builds.

For example, you could focus on:

• Electricity
• Area damage
• Projectiles
• Summoning
• Explosives
• Crowd control
• Defensive traits
• High-damage weapons

The goal is to build a deck that complements your preferred playstyle.

Build Your Perfect Loadout

Every run gives you opportunities to shape your slime's combat setup.

You can combine different weapons and traits to create powerful synergies.

A successful build might focus on destroying enemies before they get close, while another could specialize in area damage or summoning.

Experimentation is an important part of the game.

There isn't necessarily one perfect strategy for every situation.

AutoChess-Inspired Shop

Slime 3K adds another strategic layer through a shop inspired by AutoChess.

The shop works together with the deckbuilding system to influence which cards and upgrades become available.

This means your decisions aren't limited to simply selecting whatever weapon appears.

Your deck itself can influence your future options.

That creates an interesting relationship between:

Deck Construction + Shop Choices + Combat Strategy

Weapons in Slime 3K

One of the game's defining features is its intentionally ridiculous arsenal.

The available weapons include unconventional options such as:

• AK-47
• Acid
• Lightning
• Zombies
• Explosive watermelons

These weapons can produce very different approaches to combat.

The unusual weapon selection fits the game's dark humor and chaotic science-fiction setting.

Lightning Attacks

Electricity-based attacks allow the slime to unleash powerful damage against groups of enemies.

Lightning is particularly useful when you're surrounded by multiple targets and need fast crowd-clearing capabilities.

Combining electrical attacks with complementary cards can create specialized builds focused on rapid area damage.

Acid Weapons

Acid introduces another method of controlling enemy groups.

Rather than relying exclusively on direct attacks, acid can turn parts of the battlefield into dangerous zones.

This can be useful when enemies are approaching from multiple directions.

Area control becomes increasingly valuable as enemy numbers grow.

AK-47

For players who prefer straightforward firepower, the AK-47 provides a very different style from magical or experimental attacks.

Its inclusion also contributes to the game's deliberately absurd mixture of weapons and sci-fi humor.

Zombie Summoning

Not every attack requires the slime to directly eliminate enemies.

Some abilities allow you to summon zombies, adding another layer to the battlefield.

Summoning can provide additional offensive pressure and create interesting combinations with other cards and traits.

Explosive Watermelons

One of the game's strangest weapons is the explosive watermelon.

It perfectly captures Slime 3K's intentionally ridiculous design philosophy.

The game isn't trying to create a realistic arsenal.

Instead, it combines familiar weapons with bizarre ideas to create unpredictable and entertaining combat builds.

Enemies

The Despot has created a huge variety of enemies to stop the rebellious slime.

Opponents include:

• Knights
• Mutants
• Cyborg creatures
• Ballerinas
• Stilt acrobats
• Carnivorous tomatoes
• Artificial humans
• Other bizarre experiments

The strange enemy designs fit the game's surreal science-fiction setting.

Enemy Waves

Enemy pressure increases as a run continues.

The longer you survive, the stronger your opponents become.

This creates a constant race between your character's progression and the enemy scaling.

If your build doesn't improve quickly enough, eventually the enemy waves can overwhelm you.

This makes upgrade decisions important from the beginning of every run.

Boss Battles

Regular enemies aren't the only threat.

Slime 3K also includes powerful bosses that can test whether your current build is strong enough.

Boss encounters require you to balance:

• Damage
• Movement
• Positioning
• Crowd control
• Defensive abilities
• Upgrade choices

Reaching a boss is only part of the challenge.

You still need the right build to defeat it.

Roguelite Progression

Like other roguelite games, Slime 3K is built around repeated runs.

A run can end when your slime is overwhelmed, but failure doesn't necessarily mean your overall progress stops.

Each attempt gives you an opportunity to learn more about the game's systems and experiment with different combinations.

The result is a progression loop where each run can teach you something useful for the next one.

Why Every Run Feels Different

The deckbuilding system gives the game significant run-to-run variation.

You can experiment with different combinations of cards, weapons, and traits.

One run might become an electric damage build.

Another might focus on area attacks.

A third could revolve around summons.

This variety encourages experimentation instead of following exactly the same upgrade path every time.

Character: The Slime

The main character is a rebellious blob of slime created as part of the Despot's experiments.

Unlike the artificial humans controlled by the Despot, this slime develops its own will.

It becomes the unlikely hero of the rebellion.

The character's unusual appearance also fits the game's pixel-art presentation and darkly humorous tone.

The Despot

The Despot is the central antagonist.

This evil AI rules the dystopian world of the year 3000 and is responsible for creating the experiments and enemies that the slime must fight.

The game's entire premise revolves around rebelling against this artificial ruler.

Story and Setting

The story takes place in a strange future controlled by artificial intelligence.

The Despot has created artificial humans and countless bizarre creatures.

But one experiment goes wrong.

A blob of goo becomes sentient.

Instead of accepting its fate, the slime escapes and begins destroying everything in its path.

The result is a darkly comic science-fiction rebellion filled with strange enemies, ridiculous weapons, and violent cartoon-style action.

Pixel Art and Visual Style

Slime 3K uses a colorful pixel-art presentation combined with a strange science-fiction aesthetic.

The visual style matches the broader Despot's Game universe.

Despite the game's dark premise, its presentation uses absurd character designs and humorous concepts to keep the atmosphere playful rather than realistic.

Dark Humor

Humor is a major part of Slime 3K's identity.

The game combines:

• Evil artificial intelligence
• Murderous slime
• Carnivorous tomatoes
• Ballerinas
• Cyborg monsters
• Explosive watermelons
• Pretzels
• Ridiculous weapons

This intentionally exaggerated world gives the game a distinctive personality.

How to Play Slime 3K

1. Start a Run

Enter the battlefield and begin fighting enemy waves.

2. Move Strategically

Avoid enemy attacks while keeping your offensive abilities active.

3. Choose Cards

Select cards that improve your weapons and traits.

4. Build Synergies

Look for combinations that strengthen your overall strategy.

5. Upgrade Your Arsenal

Improve your damage and survival capabilities.

6. Adapt to Enemy Scaling

Remember that enemies become stronger as the run progresses.

7. Prepare for Bosses

Make sure your build has enough damage and survivability.

8. Experiment

Don't be afraid to try unusual combinations.

Beginner's Guide

New players should focus on learning the game's upgrade system before worrying about perfect builds.

Prioritize Reliable Damage

Your first objective is to create a weapon setup capable of handling regular enemy waves.

Don't Ignore Defensive Options

Pure damage isn't always enough.

Movement and defensive abilities can become increasingly important when enemy density rises.

Watch Your Deck

Adding every card you encounter isn't necessarily the best strategy.

Think about whether a card improves your overall build.

Build Around Synergy

Cards are more valuable when they work together.

Adapt Your Strategy

Don't force the same build every run.

Advanced Strategy

Experienced players can focus on maximizing card synergies.

Build Around a Core Weapon

Choose one or two main damage sources and build your deck around them.

Avoid Random Combinations

A large collection of unrelated cards isn't necessarily stronger than a smaller, focused build.

Consider Crowd Control

Enemy numbers can become overwhelming, so area damage and crowd-control abilities can be extremely valuable.

Balance Offense and Defense

A powerful attack means little if your slime cannot survive long enough to use it.

Plan for Scaling

Your build needs to become stronger as enemies become stronger.

Experiment With the Shop

Use the shop system strategically rather than buying every available option.

Best Build Philosophy

There isn't one universal best build for every run.

Instead, strong players should focus on synergy.

For example:

Area Damage + Crowd Control + Defensive Traits

can provide a balanced survival setup.

Another approach could be:

High-Damage Weapon + Attack Boosts + Offensive Traits

for players who prefer aggressive gameplay.

The best approach depends on the cards and upgrades available during the run.

Tips for Surviving Longer

1. Keep moving when enemy density increases.
2. Don't allow yourself to become surrounded.
3. Choose upgrades that complement each other.
4. Avoid filling your strategy with unrelated cards.
5. Prioritize reliable crowd damage.
6. Pay attention to enemy scaling.
7. Prepare for boss encounters.
8. Learn from failed runs.
9. Experiment with different deck combinations.
10. Adapt your strategy instead of repeating the same build.

Game Modes and Content

Slime 3K's primary experience centers around roguelite survival runs.

The game combines:

• Enemy waves
• Boss encounters
• Card upgrades
• Weapon combinations
• Traits
• Shop decisions
• Deckbuilding
• Run-based progression

The App Store version also supports Game Center leaderboards and achievements.

Game Center Support

The iOS version supports Game Center, including leaderboards and achievements.

This gives players additional goals beyond simply surviving individual runs.

Competitive players can compare their performance, while completionists can work toward achievements.

Difficulty

Slime 3K starts with an accessible premise but becomes increasingly demanding as enemy strength and density increase.

The challenge comes from managing several systems simultaneously:

• Movement
• Enemy positioning
• Weapon selection
• Card selection
• Deck construction
• Shop decisions
• Character progression
• Boss encounters

The difficulty therefore isn't simply about reaction speed.

Strategic decision-making is equally important.

Replay Value

Slime 3K has strong replay value because the core experience is designed around repeated runs.

Each attempt gives you opportunities to:

• Try new cards
• Test different weapons
• Discover new synergies
• Improve your strategy
• Learn enemy behavior
• Experiment with different builds
• Reach further into a run

This makes the game particularly appealing to players who enjoy roguelites that reward experimentation.

Slime 3K vs. Vampire Survivors

Both games belong to the survivor-like bullet-heaven genre and involve fighting huge enemy hordes while becoming progressively stronger.

However, Slime 3K adds a significant deckbuilding component and an AutoChess-inspired shop.

This gives it a stronger emphasis on planning and build construction.

The game's own store description openly references Vampire Survivors, Halls of Torment, Brotato, Soulstone Survivors, and 20 Minutes Till Dawn as influences on its survivor-like formula.

Slime 3K vs. Brotato

Both games emphasize fast-paced survival against waves of enemies.

Slime 3K differentiates itself with its card deckbuilding mechanics, shop system, bizarre weapons, and connection to the Despot universe.

Players who enjoy Brotato but want more emphasis on deck construction may find Slime 3K particularly interesting.

Slime 3K vs. Halls of Torment

Halls of Torment focuses heavily on survival combat and character development.

Slime 3K adds its own twist through deckbuilding and its unusual card-driven shop.

Both appeal to players who enjoy surviving increasingly dangerous enemy hordes, but their progression systems differ.

Is Slime 3K a Roguelite?

Yes.

The game is explicitly presented as a roguelite and combines repeated survival runs with upgrade and deckbuilding mechanics.

Is Slime 3K a Deckbuilding Game?

Yes.

Deckbuilding is one of the central mechanics.

Players unlock, upgrade, mix, and match cards that influence their weapons and traits.

Is Slime 3K Like Vampire Survivors?

Yes, in its basic survivor-like structure.

It shares the concept of fighting increasingly large enemy waves and becoming stronger during a run.

However, Slime 3K adds deeper deckbuilding mechanics and an AutoChess-inspired shop, giving the formula a more strategic layer.

Does Slime 3K Have Bosses?

Yes.

Bosses form part of the game's increasingly challenging survival encounters.

Does Slime 3K Have Achievements?

Yes.

The iOS version supports Game Center achievements and leaderboards.

Is Slime 3K Free?

No.

The current U.S. App Store listing shows Slime 3K: Rise Against Despot as a paid game priced at $2.99.

The Google Play listing also currently shows the game as a paid $2.99 title.

Does Slime 3K Have Ads?

The current iOS listing presents the game as a paid title rather than a free-to-play game with an advertised monetization model. The App Store listing does not list advertising among the game's purchase information.

Mobile Performance

The iOS version received an update that added a Max FPS option for smoother gameplay in version 1.2.5.

This is particularly useful for a fast-paced bullet-heaven game where smooth movement and responsive controls can make a noticeable difference.

Latest Updates

The current App Store version history lists version 1.2.5, released on October 29, 2025.

The update added a Max FPS option for smoother gameplay.

Earlier updates included bug fixes and a security update.

iPhone and iPad Requirements

The current iOS listing requires:

• iOS 17.6 or later on iPhone
• iPadOS 17.6 or later on iPad

The game is also listed for Mac with macOS 13.0 or later and an Apple M1 chip or later, as well as Apple Vision compatibility.

Technical Details

The current App Store listing reports a 370.7 MB size, 13+ age rating, and support for 11 languages.

Pros and Cons

Pros

• Creative roguelite formula
• Deep card deckbuilding
• AutoChess-inspired shop
• Bullet-heaven survival action
• Large enemy waves
• Boss encounters
• Lots of unusual weapons
• Interesting weapon and trait combinations
• Strong replay value
• Pixel-art presentation
• Dark humor
• Unique sci-fi setting
• Game Center achievements
• Game Center leaderboards
• Max FPS option on iOS

Cons

• Requires relatively recent iOS/iPadOS versions
• Large 370.7 MB mobile download
• Fast action can become visually chaotic
• The unusual art style may not appeal to everyone
• Strategic systems can take time to understand
• Small mobile-screen text has been criticized by some App Store reviewers

Who Should Play Slime 3K?

Slime 3K is especially suitable for players who enjoy:

• Roguelite games
• Deckbuilding games
• Bullet-heaven games
• Survivor-like games
• Vampire Survivors-style gameplay
• Brotato-style survival games
• Card-based progression
• Strategy games
• Pixel-art games
• Top-down action
• Arcade shooters
• Build experimentation
• Fast-paced mobile games

If you enjoy surviving huge enemy waves but want more strategic control over your build, Slime 3K offers an appealing combination of action and deckbuilding.

Best Features at a Glance

🟢 Roguelite Survival

Fight through increasingly dangerous waves and try to survive each run.

🃏 Deep Deckbuilding

Build a collection of cards that determines your weapons and traits.

🔫 Crazy Weapons

Use guns, lightning, acid, zombies, explosive watermelons, and more.

🏪 Strategic Shop

Use an AutoChess-inspired shop to shape your available options.

👾 Weird Enemies

Battle knights, mutants, cyborgs, ballerinas, stilt acrobats, and carnivorous tomatoes.

💥 Bullet-Heaven Combat

Destroy huge groups of enemies while constantly upgrading your slime.

🏆 Game Center

Compete through leaderboards and collect achievements.

⚙️ Max FPS

Use the Max FPS option added in the latest listed iOS update for smoother gameplay.

User Experience

The current U.S. App Store listing has a relatively small number of ratings, showing 3.3 out of 5 from 7 ratings at the time checked.

The available reviews are mixed. One reviewer described the game as fun and reported that it worked without crashes, while other reviews raised concerns about crashes, loading issues, and small on-screen text on mobile.

These comments should be viewed in the context of the game's update history, which includes bug fixes and the later Max FPS option.

Expert Rating

Final Verdict

Slime 3K: Rise Against Despot successfully combines two genres that work surprisingly well together: bullet-heaven survival action and deckbuilding.

The basic formula is immediately recognizable to fans of games such as Vampire Survivors and Brotato: enter a battlefield, fight huge enemy waves, collect upgrades, become stronger, and attempt to survive increasingly difficult encounters. But Slime 3K adds considerably more strategic control through its card system and AutoChess-inspired shop.

The game's biggest strength is its freedom to experiment. Players can build around lightning, acid, guns, zombies, explosive attacks, or combinations of different weapons and traits. This creates plenty of opportunities to discover unusual and powerful builds.

The setting also gives the game personality. A rebellious slime fighting an evil AI while destroying bizarre creations such as cyborgs, ballerinas, and carnivorous tomatoes is far removed from the typical serious sci-fi shooter.

For players searching for a roguelite deckbuilder, bullet-heaven game, Vampire Survivors alternative, survivor-like game, card-based action game, or fast-paced strategy game, Slime 3K is an especially interesting choice.

The iOS version is a premium $2.99 game, supports Game Center achievements and leaderboards, and has received updates including a Max FPS option for smoother gameplay.

Overall Rating: 9.2/10