IMHO.

Single-player games like Fishing Cat's Slack-off Diary

Below are 8 single-player Steam games similar to Fishing Cat's Slack-off Diary, 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 Fishing Cat's Slack-off Diary page.

Ranked picks

  1. 1
    Wick & Slate — Steam game cover

    Wick & Slate

    Single-player alternative to Fishing Cat's Slack-off Diary — playable solo, no multiplayer required. Shares Indie and RPG with Fishing Cat's Slack-off Diary.

    Descend into a malice-soaked underworld in this intensely oppressive single-player "loot, fight, extract" roguelite deckbuilder. Play as a Stone Folk hero, battling monsters in a grotesque gamble. Build your deck mid-run, scavenge eyeballs and skulls, dissect bosses for mystery rewards.

    2026StrategyIndieAdventureSingle-playerSimilar games →
  2. 2
    猫咪の世界 — Steam game cover

    猫咪の世界

    Single-player alternative to Fishing Cat's Slack-off Diary — playable solo, no multiplayer required. Shares Indie and RPG with Fishing Cat's Slack-off Diary.

    Inspired by PokeRouge, this game, Cats' World, adopts a retro visual effect similar to Snes Mode7, combines the framework of traditional turn-based games, and focuses on team development through automated battle and treasure grinding.

    2026IndieRPGCasualSingle-playerSimilar games →
  3. 3
    Necromancer Idle: The Endless Drain — Steam game cover

    Necromancer Idle: The Endless Drain

    Single-player alternative to Fishing Cat's Slack-off Diary — playable solo, no multiplayer required. Shares Indie and RPG with Fishing Cat's Slack-off Diary.

    Defeat The Necromancer and free the world from his evil! An Idle/Incremental inspired by RPGs and Roguelites: choose between Soldier, Ranger or Mage, die and rise again keeping your innate experience, automate your actions and reincarnate until you end the curse that drains your life.

    2026StrategyIndieRPG3.99 USDSingle-playerSimilar games →
  4. 4
    Vanguard Monsters — Steam game cover

    Vanguard Monsters

    Single-player alternative to Fishing Cat's Slack-off Diary — playable solo, no multiplayer required. Shares Indie and RPG with Fishing Cat's Slack-off Diary.

    Vanguard Monsters is a run-based creature raising roguelike autobattler.  Hatch a team, evolve them to more powerful forms, and collect gear to defeat the endless forces of the encroaching void.  

    2026IndieRPGCasualSingle-playerSimilar games →
  5. 5
    Abyss Forge — Steam game cover

    Abyss Forge

    Single-player alternative to Fishing Cat's Slack-off Diary — playable solo, no multiplayer required. Shares Indie and Casual with Fishing Cat's Slack-off Diary.

    Abyss Forge is a sci-fi match-and-merge roguelike set in deep space. Move tiles, create matches, merge modules, gather fuel, efficiency, research, and other resources, then shape your build through random upgrades as you push your ship deeper into unknown sectors.

    StrategyIndieSimulationSingle-playerSimilar games →
  6. 6
    Dungeon Tracer — Steam game cover

    Dungeon Tracer

    Single-player alternative to Fishing Cat's Slack-off Diary — playable solo, no multiplayer required. Shares Indie and RPG with Fishing Cat's Slack-off Diary.

    A puzzle RPG where you connect tiles to fight and survive strategically in ever-changing dungeons.

    2025StrategyIndieAdventure4.99 USDSingle-playerSimilar games →
  7. 7
    Match! The 12 CZ Wars — Steam game cover

    Match! The 12 CZ Wars

    Single-player alternative to Fishing Cat's Slack-off Diary — playable solo, no multiplayer required. Shares Indie and RPG with Fishing Cat's Slack-off Diary.

    "Match! The 12 CZ Wars" is a roguelike strategy game blending match-3 and buff-building. Partner with 12 Zodiac Maidens to repel ancient primordial beasts. Navigate random events, battles, and upgrades. Carefully choose paths, manage resources, and empower your Maidens to secure victory.

    2026StrategyIndieRPG4.79 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Fairy's Hero — Steam game cover

    Fairy's Hero

    Single-player alternative to Fishing Cat's Slack-off Diary — playable solo, no multiplayer required. Shares Indie and RPG with Fishing Cat's Slack-off Diary.

    Fairy's Hero is an auto-battler game with rogue-lite elements and incremental meta progression. While your hero is fighting enemies, you manage their inventory, skill tree, assist in boss fights, and collect rewards. Take your Hero on a quest across the kingdom, to fulfill their purpose!

    2026StrategyIndieRPGSingle-playerSimilar games →