IMHO.

Single-player games like Mission Delta

Below are 10 single-player Steam games similar to Mission 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 Mission Delta page.

Ranked picks

  1. 1
    Chrome Survivor — Steam game cover

    Chrome Survivor

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

    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
    Gunblade Ranger — Steam game cover

    Gunblade Ranger

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

    An action shooting Roguelite focused on relentless attacks and brutal executions. Fight through the wasteland, execute enemies to restore ammo, collect weapons and mutations, and create your own killing build. Local 2 player co-op supported.

    2026ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    Cosmic Tails — Steam game cover

    Cosmic Tails

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

    Become the Cat Bounty Hunter. Blast off through deep space as you decimate hordes of space creatures with bounties on their heads. Upgrade unique cat-themed abilities, unlock pulverizing weapons, and survive until your contract expires -- or join the ranks of fallen bounty hunters before you.

    2025ActionIndieRPG1.24 USDSingle-playerSimilar games →
  4. 4
    Glitch Core — Steam game cover

    Glitch Core

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

    In the far future where AI has been deemed too dangerous and sent to the moon, you play as a rogue AI agent fighting through battle simulations to unravel the true purpose of your design in this tactical, immersive, procedural FPS rogue lite with split screen co-op where the code FIGHTS BACK!

    2027ActionIndieCasualSingle-playerSimilar games →
  5. 5
    SUPER DEBT — Steam game cover

    SUPER DEBT

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

    Money is your life in SUPER DEBT! Fight to survive with an arsenal of wildly different weapons and upgrades. In this intense and challenging Twin-Stick Bullet-Hell Roguelike everything costs money, and we mean everything!

    2027ActionIndieSingle-playerSimilar games →
  6. 6
    How To Train Your Virus — Steam game cover

    How To Train Your Virus

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

    Control Rogue, a sentient interface built to navigate the mainframe's deadliest sectors. Dodge bugs, outrun corrupted scripts, and collect data chips to rebuild the program before total shutdown.

    ActionIndieSingle-playerSimilar games →
  7. 7
    RITUAL — Steam game cover

    RITUAL

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

    RITUAL is a cyber-occult action roguelite where you survive escalating waves, forge devastating builds through sci-fi weapons, rhythm-breaking tech, and reality-altering Fonts, and battle five bosses inside the Martian terradome of TRA-3.

    2026ActionStrategy8.99 USDSingle-playerSimilar games →
  8. 8
    Rikua — Steam game cover

    Rikua

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

    A cyberpunk roguelite game blended with three mechanics: 3D isometric combat, third-person shooting, and fast paced action platformer. Enter the missions, erradicate the rogue androids, build yourself stronger, find the truth in this Mechanical War between the humans and the metal.

    2026ActionIndieAdventure9.99 USDSingle-playerSimilar games →
  9. 9
    Pull Factor — Steam game cover

    Pull Factor

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

    Turn a tiny magnet into a metal-devouring machine as you upgrade, retry, and conquer chaotic arcade stages.

    2026ActionIndieCasual4.99 USDSingle-playerSimilar games →
  10. 10
    Grave Orbit — Steam game cover

    Grave Orbit

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

    They buried the truth. The invasion did not end. Now it is coming home. Grave Orbit is a dark sci-fi survival campaign of relentless escalation, impossible odds, and a war that grows far beyond anything humanity was prepared to face.

    2026ActionStrategyIndieSingle-playerSimilar games →