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
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.
- 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
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...
- 4
Monster Bash
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
Johnny Dash's bash 'em and smash 'em adventure takes him into the evil Under World of Count Chuck. The story starts when Johnny's dog Tex is kidnapped by the Count, along with hundreds of other pet dogs and cats.
- 5
Beeny
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
A vertical 2D platformer featuring a round bee in an early 90s prerendered environment.
- 6
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.
- 7
Bio Menace
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
You are Snake Logan, a top CIA operative who likes to do things his own way. Metro City has fallen under the attack of hideous mutants and your mission is to fly recon over the city and report back. While circling over the city you're shot down by hostile forces and forced to crash land on the streets of Metro.
- 8
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.
- 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
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.
- 11
Crystal Caves
Single-player alternative to Secret Agent — playable solo, no multiplayer required. Shares Action with Secret Agent.
Enter an underground world of treasures and traps in Crystal Caves, a colorful EGA game that rivals any commercial game with its arcade quality, puzzles and graphics. As Mylo Steamwitz, enter cave after cave of adventure, gathering teasures and evading countless hazards.
- 12
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.
- 13
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.
- 14
Vexlands
Single-player alternative to Secret Agent — playable solo, no multiplayer required.
Vexlands is a realm of surprises. Every newly opened space brings a surprise: loot, resources, dungeons, monsters and disasters! Build your village where you craft new equipment before you explore uncharted areas, and find relics that explain who came before and why these lands are cursed.