Single-player games like Monstronomy
Below are 8 single-player Steam games similar to Monstronomy, 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 Monstronomy page.
Ranked picks
- 1
The Backworld
Single-player alternative to Monstronomy — playable solo, no multiplayer required. Shares RPG with Monstronomy.
Slip between the cracks of reality into a world where danger awaits at every turn. Survive with strategy, battling when necessary or fleeing when the odds are stacked against you. Collect strange items, unlock new abilities, and recruit unique companions. Forge your own path; every choice matters.
- 2
Requiem Aeternam Eden
Single-player alternative to Monstronomy — playable solo, no multiplayer required. Shares RPG with Monstronomy.
A dream-like simulation in which you impersonate Ego, the last of Lilith's children, in a mission down on Earth.
- 3
Creepy Horrors: Blood Cult 2
Single-player alternative to Monstronomy — playable solo, no multiplayer required. Shares RPG with Monstronomy.
Build your roster of Creepy Horrors with demons, undead, spirits and cryptids in this tactical monster-taming dungeon RPG. Sacrifice blood cult followers and alchemical materials to summon Horrors, wielding them in merciless 3v3 battle to conquer rival cults and nightmare fueled monstrosities alike.
- 4
勇者与亡灵之都
Single-player alternative to Monstronomy — playable solo, no multiplayer required. Shares RPG with Monstronomy.
《勇者与亡灵之都》是一款在半开放世界探索的回合制RPG游戏，游戏借鉴了NPCDream、Blacksouls等rpg，采用了ATB行动条的设定，加快了战斗的节奏和策略性。 亡灵、魔物亦或是人类，只要阻挡在你面前的尽管杀光就是。勇者就是这样的存在啊... 游戏带有多结局与二周目元素，突出一个量大管饱。
- 5
Undernauts: Labyrinth of Yomi
Single-player alternative to Monstronomy — playable solo, no multiplayer required. Shares RPG with Monstronomy.
Escape from “Yomi” – a dungeon filled with riches – and danger. Make use of your powerful skills and magic items to create exits and reach the surface alive.
- 6
Digimon Story Time Stranger
Single-player alternative to Monstronomy — playable solo, no multiplayer required. Shares RPG with Monstronomy.
The latest in the Digimon Story series is finally here! In this RPG, unravel a mystery that spans across the human world and the Digital World, collecting and raising a wide variety of Digimon to save the world.
- 7
Rainbow Billy: The Curse of the Leviathan
Single-player alternative to Monstronomy — playable solo, no multiplayer required. Shares RPG with Monstronomy.
Rainbow Billy: The Curse of the Leviathan is a wholesome, creature capture, 2.5D Adventure-Puzzle-Platformer with over 30 hours of gameplay!
- 8
Siralim Ultimate
Single-player alternative to Monstronomy — playable solo, no multiplayer required. Shares RPG with Monstronomy.
Siralim Ultimate is a monster-catching, dungeon-crawling RPG with a ridiculous amount of depth. Summon over 1200 different creatures and travel through randomly generated dungeons to acquire resources, new creatures, and loot.