Single-player games like Furcifer's Fungeon
Below are 9 single-player Steam games similar to Furcifer's Fungeon, 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 Furcifer's Fungeon page.
Ranked picks
- 1

Pathogenic
Single-player alternative to Furcifer's Fungeon — playable solo, no multiplayer required. Shares Action and Indie with Furcifer's Fungeon.
You are a disease. Infect the human body as a lone pathogen in this cellular roguelike shooter. Collect organelles to evolve your parasite in a microscopic arms race against your host's immune system. Conquer a beautiful, procedurally generated world of tiny proportions.
- 2

Nuclear Throne
Single-player alternative to Furcifer's Fungeon — playable solo, no multiplayer required. Shares Action and Indie with Furcifer's Fungeon.
Nuclear Throne is a post-apocalyptic roguelike-like top-down shooter. Not 'the final hope of humanity' post-apocalyptic, but 'humanity is extinct and mutants and monsters now roam the world' post-apocalyptic. Can you reach the Nuclear Throne?
- 3

Wally and the FANTASTIC PREDATORS
Single-player alternative to Furcifer's Fungeon — playable solo, no multiplayer required. Shares Action and Indie with Furcifer's Fungeon.
Your best friend wants to cheer you up, so he tries his best to make a dungeon for you to explore. Explore his wholesome, weird-as-heck, scrappy rogue-lite oozing with charm and humor for 1-2 Players.
- 4

Burning Knight
Single-player alternative to Furcifer's Fungeon — playable solo, no multiplayer required. Shares Action and Indie with Furcifer's Fungeon.
Steal everything you can and flee from the Burning Knight's castle in this action-packed roguelike! The game features tight bullet hell, tons of items, characters to meet... and secrets!
- 5

Mega City Force
Single-player alternative to Furcifer's Fungeon — playable solo, no multiplayer required. Shares Action and Indie with Furcifer's Fungeon.
Retrowave Action Roguelike featuring tough agents battling crime to the electrifying music of artists like Droid Bishop, Timecop1983, and more! Choose your agent and dive into hardcore action against enemies and bosses, utilizing a vast arsenal and special abilities that will define your playstyle
- 6

UnderMine 2
Single-player alternative to Furcifer's Fungeon — playable solo, no multiplayer required. Shares Action and Indie with Furcifer's Fungeon.
Delve into the dangerous, ever-shifting labyrinth that is the Undermine. Discover, craft, and combine hundreds of unique items. Pair them with an ever-expanding roster of distinct playable characters for a new run every time! Grab a partner and uncover UnderMine 2's secrets together in local co-op.
- 7

Tiny Rogues
Single-player alternative to Furcifer's Fungeon — playable solo, no multiplayer required. Shares Action and Indie with Furcifer's Fungeon.
Tiny Rogues is a challenging fantasy rogue-lite bullet-hell dungeon crawler with rpg elements. Build a new unique character each run and fight one monster-infested room after another! Discover unique weapons, collect magical items and level up to become more and more powerful!
- 8

Survivor Mercs
Single-player alternative to Furcifer's Fungeon — playable solo, no multiplayer required. Shares Action and Indie with Furcifer's Fungeon.
Purge the billionaires' robot army with your Merc squad! Fast-paced twin-stick action, frantic horde survival, tactical squad-building & tons of loot! Exploit game-breaking synergies to beat the M.E.G.A. Corp. bosses in ever-changing operations. Lock, load, and loot, Commander!
- 9

Super Kill-BOI 9000
Single-player alternative to Furcifer's Fungeon — playable solo, no multiplayer required. Shares Action with Furcifer's Fungeon.
A bullet heaven where you cooperate with Kill-BOI 9000 (your friend and toaster). Forge a beautiful bond and bring destruction - together. Give him saws! Give him drones! Then give all the drones saws! AND THEN SET THE SAWS ON FIRE.