Single-player games like Numgeon
Below are 16 single-player Steam games similar to Numgeon, 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 Numgeon page.
Ranked picks
- 1

Overture
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie and Adventure with Numgeon.
Overture is an action-adventure roguelike which draws heavy inspiration from hits such as Diablo, Realm of The Mad God, Zelda, and The Binding of Isaac. Explore vast randomly generated dungeons and slay hordes of cunning enemies!
- 2

Dungeon Survivors
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie and RPG with Numgeon.
Dungeon Survivors is a top-down fantasy roguelite where you can use your class abilities to fight off a horde of fantasy monsters. Choose from a variety of abilities and items to create unique builds and survive with 1-4 players.
- 3

Vampire Survivors
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie and RPG with Numgeon.
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!
- 4

Rogue Legacy
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie and Adventure with Numgeon.
Rogue Legacy is a genealogical rogue-"LITE" where anyone can be a hero. Each time you die, your child will succeed you. Every child is unique. One child might be colorblind, another might be a dwarf with vertigo. But that's OK, because no one is perfect, and you don't have to be to succeed.
- 5

bit Dungeon
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie and Adventure with Numgeon.
bitDungeon combines randomized loot and fast action combat, explore randomized dungeons and hack and slash your way through dangerous bosses. The difficultly increases as you become stronger and stronger. Build your character how you want with deadly passive abilities.
- 6

Boneraiser Minions
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie and RPG with Numgeon.
Amass an army of undead to fight endless waves of heroes intent to end your boneraising ways! In this gothic auto-battler rogue-lite Survivor-like, use the bones of slain heroes to raise your minions, collect relics and spells, and unlock meta upgrades, all to survive King Gigald's crusade!
- 7

Delver
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie and Adventure with Numgeon.
Delve into the shifting dungeons on your hunt for the Yithidian orb, but getting it might just be the easy part. Delver is a single player first-person action roguelike dungeon crawler, just like you wished they used to make.
- 8

One More Dungeon
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie and RPG with Numgeon.
One More Dungeon is a first person shooter roguelike with procedurally generated levels and pixel-art graphics.
- 9

Donuts'n'Justice
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie with Numgeon.
Donuts 'N' Justice is a fast-paced 2d horizontal shoot-'em-up wherein you take the role of one of two Super Cops in the 1980s to defend their city against gangs, violence and corruption.
- 10

Obludia
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie with Numgeon.
Fight your way through 50 levels full of thrilling action with hordes of challenging enemies and tough bosses! Obludia is an old-school arcade arena action inspired by classics such as Robotron or Smash-TV with RPG elements.
- 11

Jet Set Knights
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie with Numgeon.
Jet Set Knights is an old-school arcade action platformer inspired by classics from the golden age such as Mario Bros, Snow Bros or newest Super Crate Box. If You love retro 2D platformers mixed with tower defense and RPG elements, Jet Set Knight is for You!
- 12

Gunman Tales
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie and Adventure with Numgeon.
Gunman Tales is an old-school action adventure game for 1-4 players set in the wild west and inspired by the legendary game from Amiga Moonstone: A Hard Days Knight and Cabal
- 13

They Came From the Sky
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie and Casual with Numgeon.
They Came From the Sky is tiny, retro styled, highly-addictive and fast paced arcade game wherein you take the role of one of the Flying Saucers in the 1950s with one and only one Mission: Make a delicious juicy Human Smoothie!
- 14

Animal Up!
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie and Casual with Numgeon.
Animal Up! is a tiny, retro styled, highly-addictive, and fast paced arcade game.Take the role of a rescue team on a mission to Save All the Cute Animals from the Flood!
- 15

Vermitron
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie and Adventure with Numgeon.
They're Coming! Get ready to defend your lovely Flower from invading insect! Prepare your Bug Spray, Call your Holo-Pet, Fortify base and don't forget your mission: Find the Watering-Can!
- 16

Meow'n'Dash
Single-player alternative to Numgeon — playable solo, no multiplayer required. Shares Indie and Casual with Numgeon.
Meow 'n' Dash is a tiny, highly-addictive and fast paced arcade game. Play as one of the adorable kittens and clear stages by turning all the yarn balls to the same color by pushing them against each other.