IMHO.

Single-player games like Protodroid DeLTA

Below are 11 single-player Steam games similar to Protodroid DeLTA, 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 Protodroid DeLTA page.

Ranked picks

  1. 1
    CRAGGFALL — Steam game cover

    CRAGGFALL

    Single-player alternative to Protodroid DeLTA — playable solo, no multiplayer required. Shares Action and Indie with Protodroid DeLTA.

    You are a rock. Craggfall is a physics-driven momentum game where you roll, leap, and crash a living rock through dynamic terrain. Shatter what stands in your way as you explore mysterious worlds. Build up speed into huge air, and relive every glorious wipeout in instant replay.

    ActionIndieAdventureSingle-playerSimilar games →
  2. 2
    Her Name Was April — Steam game cover

    Her Name Was April

    Single-player alternative to Protodroid DeLTA — playable solo, no multiplayer required. Shares Action and Indie with Protodroid DeLTA.

    Her Name Was April is a 3D platform game developed by a single developer. It aims to stand out with its story and visuals, while also not being overly difficult.

    2026ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    Wojak This Game — Steam game cover

    Wojak This Game

    Single-player alternative to Protodroid DeLTA — playable solo, no multiplayer required. Shares Action and Indie with Protodroid DeLTA.

    Be the Wojak who can complete this platformer-adventure game in the shortest amount of time with the fewest deaths! Featuring parkour mechanics, ragdoll physics, and troll-inspired challenges, every run will push your skills to the limit.

    2022ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  4. 4
    Honey Bunny — Steam game cover

    Honey Bunny

    Single-player alternative to Protodroid DeLTA — playable solo, no multiplayer required. Shares Action and Indie with Protodroid DeLTA.

    Honey Bunny is a low poly, late 90's inspired, 3d platformer. Help Honey Bunny stop the Cool Cats Gang from stealing the city's supply of cocktail cherries! Use her bunny ears to grab, throw and attack enemies!

    2026ActionIndieAdventure14.99 USDSingle-playerSimilar games →
  5. 5
    Playful Pursuit — Steam game cover

    Playful Pursuit

    Single-player alternative to Protodroid DeLTA — playable solo, no multiplayer required. Shares Action and Indie with Protodroid DeLTA.

    Playful Pursuit is a colorful 3D adventure platformer where you jump, climb, solve puzzles, battle goofy enemies, collect VHS tapes, and build friendships with allies in a silly High Desert quest to rescue Eddy’s stolen teddy bear.

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

    JetBound

    Single-player alternative to Protodroid DeLTA — playable solo, no multiplayer required. Shares Action and Indie with Protodroid DeLTA.

    JetBound is a difficult game about flying. Stranded in space with a jetpack, upgrade your abilities and navigate deadly unique zones that constantly introduce new mechanics. No jumping. Pure physics-based flight with branching paths and high replayability.

    2026ActionIndieAdventureSingle-playerSimilar games →
  7. 7
    Painworld — Steam game cover

    Painworld

    Single-player alternative to Protodroid DeLTA — playable solo, no multiplayer required. Shares Action and Indie with Protodroid DeLTA.

    Painworld is a hardcore 3D platformer inspired by Boshy-style challenges. Explore a dangerous world of anomalies, survive brutal traps, master wall running and gravity shifts, and throw fireballs straight into boss faces on your way to victory.

    2026ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  8. 8
    MegaGum — Steam game cover

    MegaGum

    Single-player alternative to Protodroid DeLTA — playable solo, no multiplayer required. Shares Action and Indie with Protodroid DeLTA.

    Play as Uja, an orphan searching for answers in this 3D action adventure platformer. Harness the properties of Gum to stick to walls, inflate, and make your way through the MegaGum factory. Face Mister Gum and his mysterious creations to uncover the secrets hidden behind its colorful facade.

    2027ActionIndieAdventureSingle-playerSimilar games →
  9. 9
    Mega Man X Legacy Collection — Steam game cover

    Mega Man X Legacy Collection

    Single-player alternative to Protodroid DeLTA — playable solo, no multiplayer required. Shares Action with Protodroid DeLTA.

    Mega Man X Legacy Collection includes the legendary 16-bit titles and the series’ exciting foray into the 32-bit era: Mega Man X, Mega Man X2, Mega Man X3, and Mega Man X4. Test your skills in the new X Challenge mode, which pits players against two deadly bosses at once.

    2018Action19.99 USDSingle-playerSimilar games →
  10. 10
    Mega Man 11 — Steam game cover

    Mega Man 11

    Single-player alternative to Protodroid DeLTA — playable solo, no multiplayer required. Shares Action with Protodroid DeLTA.

    Mega Man is back! The newest entry in this iconic series blends classic, challenging 2D platforming action with a fresh new visual style. The new Double Gear system boosts Mega Man's speed and power for a new twist to the satisfying gameplay the series is known for.

    2018Action29.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    Super Marrow — Steam game cover

    Super Marrow

    Single-player alternative to Protodroid DeLTA — playable solo, no multiplayer required. Shares Indie with Protodroid DeLTA.

    Super Marrow is a cozy farming game about growing giant watermelons. Plant, nurture, upgrade, and stack powerful growth boosters to grow your melons to ridiculous sizes, enter competitions, and grow the biggest melon the world has ever seen.

    2026IndieSimulationSingle-playerSimilar games →