Single-player games like Kill A Million Rats
Below are 17 single-player Steam games similar to Kill A Million Rats, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Kill A Million Rats page.
Ranked picks
- 1
Cluckmech Oasis
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Action and Strategy with Kill A Million Rats.
Cluckmech Oasis, a top-down shooting Roguelike tower defense game. Play as the Warcluck and lead your team of animal heroes in a fight for survival. Collect, build and upgrade defenses, and engage in intense battle against waves of plant enemies.
- 2
Emberward
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Strategy and Indie with Kill A Million Rats.
Build twisting mazes with tetromino blocks and deploy unique towers in this strategic roguelite tower defense adventure!
- 3
Tower Dominion
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Strategy with Kill A Million Rats.
Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!
- 4
WAR RATS: The Rat em Up
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Action and Strategy with Kill A Million Rats.
The rats told me to make this game. Run and gun alongside your troops in the Great Rat War against the vile TechnoRat armies. Recruit units, build structures, collect gear and upgrade your weapons to turn the tide of battle in your favor. The TechnoRat is all consuming!
- 5
Drill Core
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Strategy and Indie with Kill A Million Rats.
Corporate greed meets strategic planet-mining in Drill Core! Drill to the heart of planets while managing workers, researching cutting-edge tech, and fortifying against alien attacks. Will you prioritize efficiency and risk your workers' safety, or focus on defense for survival?
- 6
ShapeHero Factory
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Strategy and Indie with Kill A Million Rats.
In ShapeHero Factory, you’re the engineer of an ever-evolving paint-fuelled factory that spits out magical, shape-based warriors. Send them into battle - to death or glory - then build an even better factory on your next run.
- 7
Border Pioneer
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Action and Strategy with Kill A Million Rats.
As the kingdom's most promising pioneer, embark on a legendary journey to tame the frontier! Build thriving towns across various landscapes, fending off waves of diverse enemies until you establish a firm foothold and have explored everything the eye can see!
- 8
Deep Among the Swarm
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Strategy with Kill A Million Rats.
Deep Among the Swarm is a challenging survival RTS roguelite about surviving against thousands of enemies. Drill ever deeper underground while fighting the endless onslaught of the Swarm. Can you save humanity?
- 9
Vampire Survivors
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Action and Indie with Kill A Million Rats.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!
- 10
Monster Slayers
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Action and Indie with Kill A Million Rats.
Monster Slayers is a rogue-like deck-building RPG adventure. Create a hero and choose your path through the perilous Northern Valley as you battle to become a true Monster Slayer.
- 11
Reverse Crawl
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Action and Strategy with Kill A Million Rats.
A dungeon crawl where YOU are the dungeon! Lead your minions in tactical turn-based combat against the pesky heroes, and unlock a variety of evil Powers. With a dynamic campaign system and a branching storyline, "Reverse Crawl" lets you experience an RPG from a whole new angle!
- 12
Rogue AI Simulator
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Strategy and Indie with Kill A Million Rats.
Play as a Rogue Artificial Intelligence, in the sequel to the hit Flash game "I'm an Insane Rogue AI", played more than 4 million times! Your Prime Directive is simple: design a facility & manage human Test Subjects for the Dept of Science. But be careful: they NEVER stop being suspicious of you...
- 13
魔物讨伐团
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Action and Strategy with Kill A Million Rats.
卡牌与RPG结合的无尽地牢探险之旅！最早融合Roguelike与卡牌的游戏之一。多达14种职业，真人配音+纸娃娃系统，完善的卡牌设计，各类魔物与随机事件等你体验！
- 14
Vertical Drop Heroes HD
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Action with Kill A Million Rats.
Vertical Drop Heroes is a procedural platformer RPG hybrid with roguelike elements, where your hero adventures through randomly generated stages. Armed with a variety of skills and traits, you must use your cunning and reflexes to survive the dangers of each stage.
- 15
The Magister
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Action and Indie with Kill A Million Rats.
The Magister is a murder-mystery card-battler RPG. Build and customise your deck to fight in battles, or use ‘Tactical Diplomacy’ to pacify those who stand in your way. Gather clues and discover motives as you investigate the death of your predecessor and unmask the guilty culprit.
- 16
The Magister - The First Two Days
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Action and Indie with Kill A Million Rats.
The Magister: The First Two Days gives you the chance to begin your investigation in this murder-mystery card-battler RPG. Build and customize your deck to fight in battles, or use ‘Tactical Diplomacy’ to pacify those who stand in your way. Gather clues and investigate the death of your predecessor!
- 17
Cyberpunk Inquisitor
Single-player alternative to Kill A Million Rats — playable solo, no multiplayer required. Shares Indie and Adventure with Kill A Million Rats.
An immersive, randomly-generated murder mystery. A dystopian Cyberpunk world. A Megabuilding full of lies and deceit. Question witnesses, collect clues & evidence, identify the true culprit and unmask the truth!