Single-player games like Secret Agent
Below are 14 single-player Steam games similar to Secret Agent, 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 Secret Agent page.
Ranked picks
- 1
Crystal Caves HD
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
Return to the underground classic world of treasures and traps in the HD remake of Crystal Caves! Guide Mylo through puzzles and arcade challenges of your favorite episodes, then explore the whole new Episode loaded with all new puzzles, enemies, challenges, hazards and help Mylo get back home!
- 2
Hocus Pocus
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
Terexin, leader of the Council of Wizards, is sending the young sorcerer, Hocus, on a special mission to prove his worthiness.
- 3
Cosmo's Cosmic Adventure
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
What's green with red spots, has suction hands, and has an overbite like Bart Simpson? Of course, the answer is Cosmo! Cosmo is a young alien on his way to visit Disney World with his parents. That is, until their ship is struck by a blazing comet, forcing them to land on an uncharted planet.
- 4
BioMenace Remastered
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
The classic 2D action platformer BioMenace returns with enhanced graphics and refined gameplay. Fight your way through a city ravaged by dangerous mutants, rescue hostages, find secrets and rack up points. Locate the secret lab behind this attack and prevent Dr. Mangle from taking over the world!
- 5
NINJA GAIDEN: Ragebound
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
A brand-new side-scrolling entry to the NINJA GAIDEN series from the team behind Blasphemous, NINJA GAIDEN: Ragebound redefines the classic platformer saga in a spectacular, thrilling and challenging ninja adventure.
- 6
Rise of the Triad: Dark War
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
You are part of an elite group of operatives called HUNT (High-risk United Nations Taskforce), and you must stop a maniac cult leader from killing millions of people. You are equipped with high-tech weaponry and magical instruments that defy description to invade the monastery and stop the madness.
- 7
Commander Keen
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
Commander Keen: Invasion of the Vorticons: Episode 1: Marooned on Mars (Dec. 14th 1990) Episode 2: The Earth Explodes (1991) Episode 3: Keen Must Die! (1991) Commander Keen's very first adventure, and the debut of id's groundbreaking side-scrolling technology.
- 8
Bionic Commando: Rearmed
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
Classic side-scrolling gameplay is reporting back for duty with Bionic Commando Rearmed, a remake of the classic NES game, out now on PC.20 years after the 8-bit classic was released, Bionic Commando Rearmed recreates the world of the original with a complete "2.5D" visual revamp.
- 9
Wolfenstein 3D
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
World War II rages. The Nazis are planning to build an unstoppable, mutant army. On a mission to steal the secret plans, you were captured and imprisoned. Now, a lucky break gives you the chance to escape, but a maze of passages and trigger-happy Nazis stand in your way.
- 10
Quest Master
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
Quest Master is a dungeon maker inspired by the classics that first made us love dungeon crawling. Unleash your imagination, alone or in local co-op, to make dungeons full of puzzles, traps and monsters. Upload them for others to explore and challenge yourself with other players’ creations.
- 11
Paganitzu
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
Journey into an Aztec pyramid and survive the adventure of a lifetime! No other game forces you to die in order to complete it! That's just one of many incredible plot twists in this excellent puzzle-oriented arcade-adventure game. Guide Alabama Smith (Al) into a vast and dangerous Aztec pyramid.
- 12
Major Stryker
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
In the not-so-distant future, the calamity of World War III led to eventual world peace. But, it didn't last. Earth was invaded by alien marauders - the Kretons. Earth's united military force, still depleted after the mighty onslaught of WWIII, was not nearly sufficient to repel the numerous Kreton attacks.
- 13
Realms of Chaos
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
Realms of Chaos is an exciting side-scrolling platform game with an innovative mix of action, adventure, mysticism, and role-playing that's never been seen in this style of game. Set in the fantastic world of Mysteria, Realms of Chaos is the first of many adventures of Endrick and Elandra, a brother and sister duo who find themselves on...
- 14
Stargunner
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
In the far distant future, an epic war for survival takes place... Deep within the Andromeda galaxy, the people of Zile grow restless and greedy. The Zilions secretly prepare for a massive strike against the nearby planet Ytima. Fearing such an attack, the Ytimians train an elite squad of "Stargunners.