Single-player games like Key
Below are 9 single-player Steam games similar to Key, 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 Key page.
Ranked picks
- 1

Key 2
Single-player alternative to Key — playable solo, no multiplayer required. Shares Strategy and Indie with Key.
Spend hours having fun exploring this ever-growing maze. In Key 2, with each level beaten, the maze gets bigger and more hard. Dodge slimes, spikes and traps, find the key and open the door before time runs out.
- 2

Fallen's Challenge
Single-player alternative to Key — playable solo, no multiplayer required. Shares Strategy and Indie with Key.
Experience a Sokoban game like no other! Unique combat, gameplay, puzzles, music, pixel-art, and cutscenes. With the powers of the gems, go on a journey to discover ascension!
- 3

Flint
Single-player alternative to Key — playable solo, no multiplayer required. Shares Indie and Adventure with Key.
A action-adventure game with a top down perspective and a heavy emphasis on story. Become the legendary Knight of Hamarolf and take on a myriad of foes from the Golden Oath to save the world from evil's reign while engaging with memorable characters and a thrilling combat loop.
- 4

Dungeon Diver
Single-player alternative to Key — playable solo, no multiplayer required. Shares Indie and Adventure with Key.
An arcade-like maze crawler full of treasures and traps!
- 5

Survive the Jurassic
Single-player alternative to Key — playable solo, no multiplayer required. Shares Strategy and Indie with Key.
You're placed in a small, secluded house hidden deep within a dense jungle teeming with danger. The calm is short-lived as the ground shakes and distant roars grow louder—dinosaurs are closing in. Your only chance is to navigate the confined space, avoid detection!
- 6

Light From Within
Single-player alternative to Key — playable solo, no multiplayer required. Shares Indie and Adventure with Key.
Light From Within is a top-down action-adventure focused on exploration, dungeon crawling, and discovery. Traverse a handcrafted world, solve puzzles, uncover hidden paths, and collect relics that expand your abilities, boost your stats, and alter how you interact with the environment.
- 7

Survivor's Dawn
Single-player alternative to Key — playable solo, no multiplayer required. Shares Strategy and Indie with Key.
Survive in a challenging 2D zombie game! Face hordes of the undead, earn money by defeating them, and buy upgrades to increase your health, ammo, and more. How far can you go?
- 8

To find her
Single-player alternative to Key — playable solo, no multiplayer required. Shares Strategy and Indie with Key.
《寻踪》is an immersive adventure puzzle game with simple controls, perfect for beginners. ,crack codes, solve literary puzzles, and evade capture. With over 10 gameplay elements and a micro-horror atmosphere, the game offers a thrilling experience as you uncover the truth behind a girl's disappearance.
- 9

Gos Castle Runner
Single-player alternative to Key — playable solo, no multiplayer required. Shares Indie and Adventure with Key.
Run against time, jump holes and saws before time runs out. Gos Castle Runner it's a 2D platform game of running and jumping. In this game, you control a small ghost that has to pass through the castle by jumping holes and dodging saws to reach the end of the level.