Single-player games like Operation Hardcore
Below are 13 single-player Steam games similar to Operation Hardcore, 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 Operation Hardcore page.
Ranked picks
- 1
Warhammer 40,000: Shootas, Blood & Teef
Single-player alternative to Operation Hardcore — playable solo, no multiplayer required. Shares Action and Adventure with Operation Hardcore.
From the developers of the Guns, Gore and Cannoli franchise comes a new 2D run & gun platformer: Warhammer 40,000: Shootas, Blood & TEEF! Spearhead an Ork invasion, destroy the hive city and kill your warboss! ‘Ere we go!
- 2
Round 99
Single-player alternative to Operation Hardcore — playable solo, no multiplayer required. Shares Action and Indie with Operation Hardcore.
Round 99 is a fast-paced shooter combined with a platformer that focuses on jumping around colorful environments and making a variety of enemies explode! Jump around 12 levels and bombard nearly 20 different enemies and bosses alone or with friends.
- 3
Cordels & Spells
Single-player alternative to Operation Hardcore — playable solo, no multiplayer required. Shares Action and Indie with Operation Hardcore.
Cordels & Spells is an action roguelike set in a magical backlands. Explore challenging maps, collect Enchanted Cordels, unlock unique powers, and face the Commanders of the Sertão with magical weapons, fast builds, and frenetic combat.
- 4
CometStriker DX
Single-player alternative to Operation Hardcore — playable solo, no multiplayer required. Shares Action and Indie with Operation Hardcore.
CometStriker DX is a fast-paced arcade-style shooter where you boost through danger and blast everything in your way!
- 5
Nex Machina
Single-player alternative to Operation Hardcore — playable solo, no multiplayer required. Shares Action and Indie with Operation Hardcore.
Nex Machina is an intense arcade style twin-stick shooter from Housemarque. Taking hints from both Robotron and Smash TV, Nex Machina focuses on pure action, voxel destruction and competition in the distant, cablepunk themed future.
- 6
Assault Android Cactus+
Single-player alternative to Operation Hardcore — playable solo, no multiplayer required. Shares Action and Indie with Operation Hardcore.
Assault Android Cactus is an intense arcade style twin stick shooter - pick from one of nine unique synthetic heroines and blast your way through overwhelming robots hordes to save the ship from its own workforce. Supports single player and local co-op game modes.
- 7
Gunboat God
Single-player alternative to Operation Hardcore — playable solo, no multiplayer required. Shares Action and Indie with Operation Hardcore.
Become the all-powerful Gunboat God in this fluid shoot 'em up. Carve the waves as you stylishly fight hordes of monsters in hundreds of quick-fire missions. Transform your Gunboat and upgrade your weapons, skills and abilities to take on giant, challenging, multi-stage bosses!
- 8
Mega City Force
Single-player alternative to Operation Hardcore — playable solo, no multiplayer required. Shares Action and Indie with Operation Hardcore.
Retrowave Action Roguelike featuring tough agents battling crime to the electrifying music of artists like Droid Bishop, Timecop1983, and more! Choose your agent and dive into hardcore action against enemies and bosses, utilizing a vast arsenal and special abilities that will define your playstyle
- 9
TOXICANT
Single-player alternative to Operation Hardcore — playable solo, no multiplayer required. Shares Action and Indie with Operation Hardcore.
TOXICANT offers a sinister twist on the survival horror genre, featuring randomized levels and roguelike elements.
- 10
Cosmic Ray
Single-player alternative to Operation Hardcore — playable solo, no multiplayer required. Shares Action and Indie with Operation Hardcore.
A game about exploring space in search of hospitable planets for colonization. Casual gameplay and short rounds make it a great option for killing a few minutes.
- 11
Brainmelter Deluxe
Single-player alternative to Operation Hardcore — playable solo, no multiplayer required. Shares Action and Indie with Operation Hardcore.
Melt your brain with this twisted take on the platform genre!
- 12
Super Rocket Ride
Single-player alternative to Operation Hardcore — playable solo, no multiplayer required. Shares Action and Indie with Operation Hardcore.
Hardcore retro action. Rocket go boom!
- 13
Astral Flux
Single-player alternative to Operation Hardcore — playable solo, no multiplayer required. Shares Action and Indie with Operation Hardcore.
Astral Flux is an action-platformer with roguelite elements where each run is different. Traverse hostile alien planets, discover dark secrets, and face powerful foes in combat.