IMHO.

Single-player games like Requiem For a Lost World

Below are 8 single-player Steam games similar to Requiem For a Lost World, 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 Requiem For a Lost World page.

Ranked picks

  1. 1
    Horde Slayer — Steam game cover

    Horde Slayer

    Single-player alternative to Requiem For a Lost World — playable solo, no multiplayer required. Shares Action and Indie with Requiem For a Lost World.

    A fast-paced co-op action game where you customize your build, survive relentless hordes, and conquer brutal challenges for higher scores and bragging rights.

    2025ActionIndieAdventure7.99 USDSingle-playerSimilar games →
  2. 2
    Riftbound Survivors — Steam game cover

    Riftbound Survivors

    Single-player alternative to Requiem For a Lost World — playable solo, no multiplayer required. Shares Action and Indie with Requiem For a Lost World.

    Riftbound is a survivor-like bullet heaven focused on spell combinations and massive enemy waves. Defeat thousands of enemies, experiment with elemental chain reactions, and break the game with overlapping status effects. Play solo or in co-op.

    2026ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    Terraclysm Survivors — Steam game cover

    Terraclysm Survivors

    Single-player alternative to Requiem For a Lost World — playable solo, no multiplayer required. Shares Action and Indie with Requiem For a Lost World.

    Terraclysm Survivors is a fast-paced action roguelike sidescroller. Earth is in peril, jump and attack through treacherous stages packed with enemy hordes while building the ultimate loadout. With up to 8 players online, defeat the invaders and survive in this apocalyptic and chaotic challenge!

    ActionIndieRPGSingle-playerSimilar games →
  4. 4
    Hours After Midnight — Steam game cover

    Hours After Midnight

    Single-player alternative to Requiem For a Lost World — playable solo, no multiplayer required. Shares Action and Indie with Requiem For a Lost World.

    Dive deep into a roguelike survival quest against Rettam'diov, the Consumer of Worlds. Progress, earn experience, refine characters, and uncover potent tools. Face relentless hordes alone or amplify the thrill, teaming up cross-platform in our distinctive co-op mode.

    ActionIndieRPGSingle-playerSimilar games →
  5. 5
    I'm No Demonlord — Steam game cover

    I'm No Demonlord

    Single-player alternative to Requiem For a Lost World — playable solo, no multiplayer required. Shares Action and Indie with Requiem For a Lost World.

    "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.

    2026ActionIndieAdventureSingle-playerSimilar games →
  6. 6
    Hover Point — Steam game cover

    Hover Point

    Single-player alternative to Requiem For a Lost World — playable solo, no multiplayer required. Shares Action and Indie with Requiem For a Lost World.

    Hover Point is a physics-based rogue-lite bullet hell where movement is your weapon. Dodge chaotic swarms with auto-fire action, build your skill tree, and climb global leaderboards. Master the chaos solo or in co-op via mouse-only, keyboard-only, or controller-only playstyles.

    2026ActionIndieCasual4.99 USDSingle-playerSimilar games →
  7. 7
    AHA Asset Horde Arena — Steam game cover

    AHA Asset Horde Arena

    Single-player alternative to Requiem For a Lost World — playable solo, no multiplayer required. Shares Action and Indie with Requiem For a Lost World.

    Survive against endless hordes of enemies, collect powerful ability cards, create crazy combinations of builds and survive for 25 minutes under the onslaught of thousands of monsters alone or with friends.

    2026ActionIndieRPG0.99 USDSingle-playerSimilar games →
  8. 8
    Knightward — Steam game cover

    Knightward

    Single-player alternative to Requiem For a Lost World — playable solo, no multiplayer required. Shares Action and Indie with Requiem For a Lost World.

    Build towers to safeguard your crystal while you loot treasure-filled rooms and grow stronger. Knightward is a tower defense action rogue-like for 1-4 players. Will your defenses hold off enemies long enough to discover the deepest levels of the dungeon?

    2026ActionStrategyIndieSingle-playerSimilar games →