IMHO.

Single-player games like Re;quartz零度

Below are 8 single-player Steam games similar to Re;quartz零度, 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 Re;quartz零度 page.

Ranked picks

  1. 1
    Akeno no Yosuga - Twilight Loop — Steam game cover

    Akeno no Yosuga - Twilight Loop

    Single-player alternative to Re;quartz零度 — playable solo, no multiplayer required. Shares Adventure with Re;quartz零度.

    At 5:00 PM, she always dies. No matter how many times time rewinds, her death repeats. Relive the same day, uncover the truth, and defy her fate in this time-loop psychological horror adventure.

    2026IndieAdventureSingle-playerSimilar games →
  2. 2
    Tame or Conquered — Steam game cover

    Tame or Conquered

    Single-player alternative to Re;quartz零度 — playable solo, no multiplayer required. Shares Adventure with Re;quartz零度.

    You got isekai'd, only to wake up as a cursed saintess. You have 6 months to choose a husband from 7 yandere red flags.. or become a big tree and die. A "simple" psychological horror & dark romance VN.

    2027AdventureSingle-playerSimilar games →
  3. 3
    AIR — Steam game cover

    AIR

    Single-player alternative to Re;quartz零度 — playable solo, no multiplayer required. Shares Adventure with Re;quartz零度.

    Summer stretches on endlessly. Beneath the vast blue sky. Beneath the air in which she awaits— AIR, the second game released by visual novel studio Key, is now available on Steam! Now featuring the side story novel, "First Sky Chapter" and full voice support!

    2025AdventureSimulationCasual29.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Kanon — Steam game cover

    Kanon

    Single-player alternative to Re;quartz零度 — playable solo, no multiplayer required. Shares Adventure with Re;quartz零度.

    A tale of small miracles in a snow-covered town— Kanon, the very first game from visual novel studio Key, is now available on Steam! Now featuring HD visuals and full voice support! (The protagonist is only voiced in certain scenes.)

    2024AdventureSimulationCasual29.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    天のゆくるる — Steam game cover

    天のゆくるる

    Single-player alternative to Re;quartz零度 — playable solo, no multiplayer required. Shares Adventure with Re;quartz零度.

    僕たちは──すべての計画に、失敗する。 🎋落ちこぼれ天文部達の青春群像劇を描くドラマチックノベル! 🎬文庫三冊分に及ぶ青春ドラマ 🍎ゼロ年代懐古的雰囲気 🍏暴走オマージュ破滅!

    2023IndieAdventure17.99 USDSingle-playerSimilar games →
  6. 6
    记得我 — Steam game cover

    记得我

    Single-player alternative to Re;quartz零度 — playable solo, no multiplayer required.

    Remember Me is a galgame with a male first-person perspective. Players will play a high school student Lin Yining, and three girls launched their own story. It's up to you to choose between the hidden past and the future to reveal.

    2021Casual2.99 USDSingle-playerSimilar games →
  7. 7
    Tayutama:It's happy days — Steam game cover

    Tayutama:It's happy days

    Single-player alternative to Re;quartz零度 — playable solo, no multiplayer required. Shares Adventure with Re;quartz零度.

    This is a story that picks up after the main events... or maybe one that could've happened somewhere along the way.the lovey-dovey days of two souls bound by a deep, unshakable bond!

    2025Adventure23.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Tayutama: Kiss on my Deity — Steam game cover

    Tayutama: Kiss on my Deity

    Single-player alternative to Re;quartz零度 — playable solo, no multiplayer required. Shares Adventure with Re;quartz零度.

    Now remastered in Full HD and updated for all ages! Originally released in 2008 and later adapted into an anime, this beloved title has been carefully refined under the supervision of Lump of Sugar, crafting an improved version that every generation of gamers will love.

    2025Adventure20.99 USDDeck PlayableSingle-playerSimilar games →