Single-player games like Zarlor Mercenary
Below are 16 single-player Steam games similar to Zarlor Mercenary, 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 Zarlor Mercenary page.
Ranked picks
- 1

DnB Starfighter
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required. Shares Action with Zarlor Mercenary.
A skill-driven space shooter where the only goal is a better run.
- 2

TetsunoEbi
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required. Shares Action with Zarlor Mercenary.
I made this game as top view shmup STG(also known Shoot'em ups) game.but some people think as Shrimp STG.shrimp type anti-aircraft tank TETSUNOEBI!control the tank and destroy drones or AI tanks or large bosses.
- 3

Raiden IV x MIKADO remix
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required. Shares Action with Zarlor Mercenary.
Buckle up and blast off with Raiden IV x MIKADO remix! This classic arcade shoot ‘em up comes fully equipped with new music, battle modes, vertical screen play, and more!
- 4

Blast'N Bounty
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required. Shares Action with Zarlor Mercenary.
Blast’N Bounty is a vertical scrolling shoot’em up featuring 8 stages players can tackle in the order of their choosing. Cruise through a crazy solar system in a mix of pixel art and low poly 3D with action that’s easy to learn but tough to master!
- 5

Netherspace
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required. Shares Action with Zarlor Mercenary.
A sci-fi shoot'em'up game with heavy focus on upgrades experimentation, featuring two unlikely heroes that must work perfectly together, despite their share of secrets, to surpass their limits and succeed in eliminating a threat that might destroy both Earth and Andraxia if left unchecked.
- 6

Neuroma
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required. Shares Action with Zarlor Mercenary.
A fast-paced vertical shmup where a living brain controls a combat ship to battle grotesque alien creatures across biomechanical worlds filled with massive bosses and intense arcade action.
- 7

THUNDER STRIKER
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required. Shares Action with Zarlor Mercenary.
Blast your way through enemy territory and level up your versatile arsenal of high-tech weapons in this handheld game style retro shmup!
- 8

Raiden III x MIKADO MANIAX
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required. Shares Action with Zarlor Mercenary.
Soar sky-high in Raiden III x MIKADO MANIAX, an electrifying entry in the classic arcade shoot-‘em-up series! Customize your music, wallpapers, game mode, and more before launching into high-octane aerial action!
- 9

Rogue
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required.
Experience the commercial port of the game that spawned a thousand 'Rogue-likes'. Venture into the Dungeons of Doom in search of the legendary Amulet of Yendor, and hopefully escape with your life! Randomly generated dungeons await you, full of nasty monsters, insidious traps, and glittering loot.
- 10

California Games (C64/DOS/Atari/Lynx/NES/SMS/Genesis)
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required.
Ask anyone who considered themselves a true gamer in 1987 and the chances are they will fondly remember California Games. Now on Steam for the very first time, you too can enjoy six radical and awesome events: the half-pipe, roller skating, surfing, BMX, footbag and the flying disc.
- 11

Impossible Mission II
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required. Shares Action with Zarlor Mercenary.
Sequel to the equally-popular Impossible Mission, this classic 1980s action platformer sees you tasked with infiltrating a futuristic fortress, built to keep safe malicious mastermind Elvin Atombender. Now available on Steam for the first time, responsibility for saving the world rests with YOU!
- 12

California Games II
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required.
Originally launched in 1990 on the boundary-pushing 16-bit computers and consoles of the day, this bodacious sequel to the immensely popular California Games sees you competing in five awesome events: hang-gliding, jet-skiing, snowboarding, body-boarding and skateboarding!
- 13

Temple of Apshai Trilogy
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required.
In this classic dungeon crawler, hack and slash your way through over 500 rooms with dozens of terrifying monsters. A true 1980s fantasy game, experience the frustrations and triumphs of the tabletop gaming inspired combat. Temple of Apshai is waiting. Silently lurking. Patiently waiting. For you.
- 14

The Games: Winter Edition
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required.
Compete in seven Winter Games events in this DOS classic from 1988, created by masters of sports simulation Epyx. Hurtle down the slopes, over jumps, or across the ice, all in search of that elusive Gold medal.
- 15

Battle Bugs
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required.
In this unconventional real-time strategy game, control a fearsome army of stink bugs, cockroaches, lightning bugs, ants and more in a miniature, pun-filled warzone! 56 battles with 22 types of Battle Bug await you!
- 16

Jumpman (C64/MSDOS)
Single-player alternative to Zarlor Mercenary — playable solo, no multiplayer required. Shares Action with Zarlor Mercenary.
Run, climb and jump from platform to platform to collect and disarm deadly bombs, but watch out! One single misstep will send you tumbling to the ground! With 30 different challenging levels to beat, experience the thrills and spills of one of the earliest platformers.