IMHO.

Single-player games like Sector IV : LockDown

Below are 8 single-player Steam games similar to Sector IV : LockDown, 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 Sector IV : LockDown page.

Ranked picks

  1. 1
    Adventure  Jam — Steam game cover

    Adventure Jam

    Single-player alternative to Sector IV : LockDown — playable solo, no multiplayer required. Shares Action and Indie with Sector IV : LockDown.

    Adventure Jam is a level-based adventure game featuring TPS, Roguelike and RPG. Combine Gun in surprising ways to experience diverse Build gameplay and explore procedurally-generated levels. Fighting through hordes of frenzied monsters – with your friends, or on your own.

    2025ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  2. 2
    N.E.O.N. HORIZON — Steam game cover

    N.E.O.N. HORIZON

    Single-player alternative to Sector IV : LockDown — playable solo, no multiplayer required. Shares Action and Indie with Sector IV : LockDown.

    Survive 100 perilous waves in a sci-fi roguelite shooter where every decision transforms your ship. Upgrade its systems, discover powerful relics, create unique synergies, and uncover the mystery awaiting you at Horizon.

    ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    Maiden Gear — Steam game cover

    Maiden Gear

    Single-player alternative to Sector IV : LockDown — playable solo, no multiplayer required. Shares Action and Indie with Sector IV : LockDown.

    Maiden Gear : Dynamic Visual Novel crossed with Strategic Roguelike Shooter! Currently in development, Maiden Gear strives to combine the two into a singular unique experience. Beautiful robot maids, deadly weapons, authority in dystopia -- What if all things could be remade?

    ActionIndieAdventureSingle-playerSimilar games →
  4. 4
    Deepbound Raiders — Steam game cover

    Deepbound Raiders

    Single-player alternative to Sector IV : LockDown — playable solo, no multiplayer required. Shares Action and Strategy with Sector IV : LockDown.

    Deepbound Raiders is an adventure game combining extraction gameplay, inventory strategy, and Roguelite elements. Explore the unknown depths, hunt for lost treasures, and play unique characters. Strategically arrange items in your inventory to create powerful builds and diverse playstyles.

    ActionStrategyIndieSingle-playerSimilar games →
  5. 5
    Abyss Eschaton Survivors — Steam game cover

    Abyss Eschaton Survivors

    Single-player alternative to Sector IV : LockDown — playable solo, no multiplayer required. Shares Action and Strategy with Sector IV : LockDown.

    Conquer layered dreams, battle the Abyssal Lord's minions, gather Dream Essence! In this roguelike action game, forge heroes in the Dream Sanctuary by collecting gear, upgrading skills, confronting the Abyssal Lord. "Even fate won't deter you, My Lord? Break the cursed cycle. I'll light your path.”

    2025ActionStrategyIndie3.99 USDSingle-playerSimilar games →
  6. 6
    Echoes of Mystralia — Steam game cover

    Echoes of Mystralia

    Single-player alternative to Sector IV : LockDown — playable solo, no multiplayer required. Shares Action and Indie with Sector IV : LockDown.

    Echoes of Mystralia is an action-heavy spellcrafting ARPG roguelite, where rapid combat meets deep customization. Craft your own spells, unlock new combinations, fight epic bosses, and discover a narrative-rich world that never plays the same twice.

    2026ActionIndieAdventure19.99 USDSingle-playerSimilar games →
  7. 7
    Don't Die, Collect Loot — Steam game cover

    Don't Die, Collect Loot

    Single-player alternative to Sector IV : LockDown — playable solo, no multiplayer required. Shares Action and Indie with Sector IV : LockDown.

    It's time to become ridiculously powerful in an arcade roguelite RPG with no limits on your power! Guide your hero through infinite retro fantasy worlds, get loot, gain upgrades, and keep growing their power as you rip through hordes of enemies in the ultimate power fantasy!

    2025ActionIndieAdventure9.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Cinderia — Steam game cover

    Cinderia

    Single-player alternative to Sector IV : LockDown — playable solo, no multiplayer required. Shares Action and Indie with Sector IV : LockDown.

    A fast, brutal action roguelite with razor-sharp controls and insane build freedom. Fuse embers, skill cards, and gear into wildly overpowered combat styles — and break each run in a world consumed by the Ash Witch.

    2026ActionIndieAdventure17.99 USDDeck VerifiedSingle-playerSimilar games →