IMHO.

Single-player games like Defendrion

Below are 8 single-player Steam games similar to Defendrion, 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 Defendrion page.

Ranked picks

  1. 1
    I'm No Demonlord — Steam game cover

    I'm No Demonlord

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

    "I'm No Demonlord" is a Roguelike shooter bullet hell game. High freedom in mechanics leads to unique playthroughs. As a demon-possessed hero, battle enemies, grow, and unveil dark schemes. Can he accept his new role? Save "kinds" or destroy "outsiders"? Good or evil? The choice is yours.

    2026ActionIndieAdventureSingle-playerSimilar games →
  2. 2
    古巫竞技场 Ancient Witch Arena — Steam game cover

    古巫竞技场 Ancient Witch Arena

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

    "Ancient Witch Arena" is an independently developed light survival Roguelike, hand-painted fantasy dark world. Resist hundreds of enemies, conquer bosses, explore combinations between characters and skills, and finally become the king of the arena.

    2022ActionIndieRPG2.99 USDSingle-playerSimilar games →
  3. 3
    Legacy Of The Pact — Steam game cover

    Legacy Of The Pact

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

    Journey through the fantastical world destroying hordes of evil creatures and survive! Legacy Of The Pact is and action packed action survival game with some RPG and Rogue Like elements

    2023ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  4. 4
    Sidestep Legends — Steam game cover

    Sidestep Legends

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

    Practise your sidestep skills as you dodge spells coming at you from all directions. Slay minions and level up to choose from a variety of upgrades and new abilities to increase your chances of survival. Explore different skill combinations and unlock combo upgrades to create powerful synergies.

    2023ActionIndieRPG4.99 USDSingle-playerSimilar games →
  5. 5
    Obscurinth — Steam game cover

    Obscurinth

    Single-player alternative to Defendrion — playable solo, no multiplayer required. Shares Indie and Adventure with Defendrion.

    Explore a massive living labyrinth filled with mysteries, deadly traps, and forgotten relics. Mark your path with lanterns, uncover hidden secrets, improve your legacy, and attempt to free Obscurinth in this unique adventure blending exploration, strategy, and dark fantasy.

    2025IndieAdventureRPG2.99 USDSingle-playerSimilar games →
  6. 6
    Castle Fractal — Steam game cover

    Castle Fractal

    Single-player alternative to Defendrion — playable solo, no multiplayer required. Shares Action and RPG with Defendrion.

    A high-score based roguelite with streamlined action RPG mechanics. It features in-depth inventory management, customizable passives, character upgrades, and high-score-based gameplay.

    2024ActionRPGEarly Access4.99 USDSingle-playerSimilar games →
  7. 7
    Swarmbound — Steam game cover

    Swarmbound

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

    Unleash pixel-art hell in a high-performance bullet heaven. Command 5 classes against massive 1,500-unit swarms with zero lag. Loot, level, and spec your way to Wave 30 with chain lightning and spiral hammers. Fully moddable, Steam Deck optimized, and built for pure retro destruction.

    2026ActionIndieAdventure2.24 USDSingle-playerSimilar games →
  8. 8
    Skigill — Steam game cover

    Skigill

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

    Fight! Collect! Explore! Experiment! Survive! Master the SKIGILL, a large skill tree spanning the entire battleground, to power your character and survive waves of enemies. Unlock upgrades, weapons, and characters in a meta sigil after each game, and maybe you'll see the end!

    2025ActionIndieEarly Access4.99 USDDeck VerifiedSingle-playerSimilar games →