IMHO.

Single-player games like Grimoire of Monsters

Below are 8 single-player Steam games similar to Grimoire of Monsters, 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 Grimoire of Monsters page.

Ranked picks

  1. 1
    Chrome Survivor — Steam game cover

    Chrome Survivor

    Single-player alternative to Grimoire of Monsters — playable solo, no multiplayer required. Shares Action with Grimoire of Monsters.

    In this bullet heaven roguelite combine weapons into powerful evolutions, collect items to enhance your runs, equip and craft powerful cybernetic augments that change the way you play. Can you complete a 9 modded nightmare difficulty run and become John Cyberpunk?

    2026ActionIndieEarly AccessSingle-playerSimilar games →
  2. 2
    Kharvalen — Steam game cover

    Kharvalen

    Single-player alternative to Grimoire of Monsters — playable solo, no multiplayer required. Shares Action with Grimoire of Monsters.

    Survive relentless hordes of creatures in Kharvalen. Choose a race, equip your weapon set, and combine unique upgrades, runes, artifacts, and loot each run to create devastating builds. Play co-op or PvP with your friends!

    2027ActionRPGCasualSingle-playerSimilar games →
  3. 3
    I'm No Demonlord — Steam game cover

    I'm No Demonlord

    Single-player alternative to Grimoire of Monsters — playable solo, no multiplayer required. Shares Action with Grimoire of Monsters.

    "I'm No Demonlord" is a Roguelike shooter bullet hell game. High freedom in mechanics leads to unique playthroughs. As a demon-possessed hero, battle enemies, grow, and unveil dark schemes. Can he accept his new role? Save "kinds" or destroy "outsiders"? Good or evil? The choice is yours.

    2026ActionIndieAdventure8.99 USDSingle-playerSimilar games →
  4. 4
    SZKELETAL: Estrogen Dracul's Potato Hunger — Steam game cover

    SZKELETAL: Estrogen Dracul's Potato Hunger

    Single-player alternative to Grimoire of Monsters — playable solo, no multiplayer required. Shares Action with Grimoire of Monsters.

    Play as estrogen-fueled Dracul in this parodic roguelite 'yet another Vampire Survivors clone'. Fight off hordes of bums, haters, and similar ludolols, collect delicious potatoes, and upgrade your trashy arsenal. Survive this boring AI-slop, pee in the sink, and become the hobo of game scholarship!

    2026ActionIndieSingle-playerSimilar games →
  5. 5
    The Last Scribe — Steam game cover

    The Last Scribe

    Single-player alternative to Grimoire of Monsters — playable solo, no multiplayer required. Shares Action with Grimoire of Monsters.

    A roguelite action game where you write your own spells in a magical language. Venture into stories inspired by the great classics of literature, master the power of glyphs, and save these tales before they vanish forever.

    ActionSingle-playerSimilar games →
  6. 6
    HIRUN — Steam game cover

    HIRUN

    Single-player alternative to Grimoire of Monsters — playable solo, no multiplayer required. Shares Action with Grimoire of Monsters.

    HIRUN is an absolute banger of cyberpunk action roguelite where you blast, dash, and drift through neon-drenched hordes. Stack insane upgrades, unlock dope characters, and slash through deadly bosses. The OVERLORD awaits you. Die, rewire, and dive right back into the grid. Can you survive the rave?

    2026ActionIndieCasualSingle-playerSimilar games →
  7. 7
    Whisperborn: Child of the Forest — Steam game cover

    Whisperborn: Child of the Forest

    Single-player alternative to Grimoire of Monsters — playable solo, no multiplayer required. Shares Action with Grimoire of Monsters.

    Whipserborn is a dark 2D roguelike set in a living forest shaped by sorrow. Explore procedurally generated levels, craft powerful spell combos, upgrade a mysterious hub, and uncover your forgotten soul’s truth—alone or in seamless co-op.

    ActionIndieAdventureSingle-playerSimilar games →
  8. 8
    Void Reaver — Steam game cover

    Void Reaver

    Single-player alternative to Grimoire of Monsters — playable solo, no multiplayer required. Shares Action with Grimoire of Monsters.

    Organize. Optimize. Obliterate. Void Reaver is a sci-fi bullet heaven where your backpack is your firepower. Grid-manage 300+ weapons and artifacts into explosive synergies, unlock specialized skill trees, and blast through alien hordes to a high-octane electronic soundtrack.

    2026ActionRPGSingle-playerSimilar games →