The Lawnmower Man

• The Lawnmower Man
Release Date: 1994
Genre: Action / Run and Gun
Players: 1–2

• Description - The Lawnmower Man is an action game that alternates between side-scrolling run and gun stages and 3D virtual reality flying segments. Players control Dr. Angelo and Carla as they move through enemy-filled levels using weapons and navigating hazards.

• Co-op Experience - Two players can play simultaneously during the side-scrolling stages, each controlling a character on the same screen with independent movement and attacks that do not affect each other. If one player falls behind, they are repositioned near their partner. The 3D virtual reality stages are single-player only, requiring players to alternate turns.

King of the Monsters 2

• King of the Monsters 2
Release Date: 1993
Genre: Action / Beat ’em Up
Players: 1–2

• Description - King of the Monsters 2 is a side-scrolling action game where players control giant monsters fighting through stages filled with enemies and destructible environments.

• Co-op Experience - Two players can play simultaneously, each controlling a monster on the same screen. Players fight through stages together and defeat enemies cooperatively.

F-22 Interceptor

• F-22 Interceptor
Release Date: 1991
Genre: Flight Combat
Players: 1–2

• Description - F-22 Interceptor is a flight combat simulator where players pilot jets through mission-based objectives involving aerial combat and navigation.

• Co-op Experience - Two players can play using shared control, with one player handling flight movement while the second player manages weapons and targeting systems during missions.

Combat Cars

• Combat Cars
Release Date: 1994
Genre: Racing / Combat
Players: 1–2

• Description - Combat Cars is a top-down racing game with weapon-based combat, featuring various characters and tracks.

• Co-op Experience - Two players can play simultaneously in split-screen, each controlling their own vehicle. Players race and fight through events while progressing through the game at the same time.

Columns III: Revenge of Columns

• Columns III: Revenge of Columns
Release Date: 1993
Genre: Puzzle
Players: 1–2

• Description - Columns III expands on the original with additional modes, including competitive and team-based puzzle variations.

• Co-op Experience - Two players can play together in cooperative modes where both players manage the same puzzle field, working together to clear gems and maintain the board.

BreakThru! (Sega Channel)

• BreakThru! (Sega Channel)
Release Date: 1994
Genre: Puzzle
Players: 1–2

• Description - BreakThru! is a tile-matching puzzle game where players move a cursor across a grid of colored blocks and remove groups of matching tiles. Blocks can only be cleared when two or more of the same color are touching, causing remaining tiles to shift and fill the space. The game also includes special items like bombs and line-clearing blocks to help remove difficult sections, along with options to introduce new tiles when no matches are available.

• Co-op Experience - Two players can play together on the same puzzle grid, working cooperatively to clear matching blocks and manage the board. Both players contribute to removing tiles, using special items, and preventing the grid from locking up when no matches remain.

Bloodshot (Sega Channel)

• Bloodshot (Sega Channel)
Release Date: 1994
Genre: First-Person Shooter
Players: 1–2

• Description - Bloodshot is a first-person shooter featuring maze-like levels, enemy encounters, and sci-fi themed combat. It was released as Bloodshot in Europe on the Mega Drive and Mega CD, and via Sega Channel in North America.

• Co-op Experience - Two players can play simultaneously in split-screen, each controlling their own character. Start a game in single player, then press start on controller two. Both players explore the same levels together, fight enemies, and progress cooperatively.

Arcade Classics (Centipede)

• Arcade Classics (Centipede)
Release Date: 1996
Genre: Shooter / Compilation
Players: 1–2

• Description - Arcade Classics is a compilation release that includes classic arcade-style gameplay, including Centipede, adapted for the Genesis.

• Co-op Experience - Centipede is the one game in the collection with co-op. Two players can play Centipede together, each controlling their own shooter on the same screen. Both players fight enemy waves cooperatively while progressing through the stages.

Arcade Classics (Centipede)

• Arcade Classics (Centipede)
Release Date: 1996
Genre: Shooter / Arcade Compilation
Players: 1–2 (Link Cable)

• Description - Arcade Classics includes classic arcade games, including Centipede, with updated presentation for the Game Gear.

• Co-op Experience - Centipede is the only game in the collection with co-op. Two players can connect via link cable while playing Centipede, each controlling their own shooter. Both players fight enemy waves together across connected screens.

Faceball 2000

• Faceball 2000
Release Date: 1992
Genre: Shooter
Players: 1–2 (Link Cable)

• Description - Faceball 2000 is a first-person shooter featuring simple 3D maze environments and enemy encounters.

• Co-op Experience - Two players can connect via link cable, each controlling their own character in linked environments. Players navigate the same areas in first person and team up to shoot down enemies in the maze.

The Berlin Wall

• The Berlin Wall (JP)
Release Date: 1991
Genre: Puzzle Platformer
Players: 1–2 (Link Cable)

• Description - The Berlin Wall is a single-screen puzzle platformer developed by Kaneko for the Game Gear, released only in Japan. Players control a child with a hammer and must break holes into platforms to trap monsters, knock them through floors, and turn them into food items or power-ups. Despite the name, the game has nothing to do with the historical Berlin Wall and instead uses a cartoon-style presentation.

• Co-op Experience - Two players can connect via link cable and play together in linked sessions. Both players work through the game’s single-screen stages using the same core mechanics of digging traps, managing enemy movement, and clearing each screen cooperatively.

Dunk Kids

• Dunk Kids (JP)
Release Date: 1994
Genre: Sports / Arcade Basketball
Players: 1–2 (Link Cable)

• Description - Dunk Kids is a fast-paced arcade basketball game with exaggerated movement, quick matches, and simple controls.

• Co-op Experience - Two players can connect via link cable and play on the same team. Each player controls one character and works together during matches.

Beats of Rage

• Beats of Rage
Release Date: 2003
Genre: Beat ’em Up
Players: 1–2

• Description - Beats of Rage is an open-source beat ’em up engine originally released for Dreamcast, designed around side-scrolling combat and heavily inspired by Streets of Rage. It later became the foundation for a huge number of fan-made games and total conversions.

• Co-op Experience - Two players can play simultaneously on the same screen, each controlling a character through the full game. Players fight enemies together, move through stages cooperatively, and can also use the same structure across many other Beats of Rage-based games and mods.

Yeah Yeah Beebiss II

• Yeah Yeah Beebiss II
Release Date: 2020 (Dreamcast port)
Genre: Platformer
Players: 1–2

• Description - Yeah Yeah Beebiss II is a single-screen platformer built around simple arcade-style movement, enemy avoidance, and stage clearing.

• Co-op Experience - Two players can play simultaneously on the same screen, each controlling a character through the same stage. Both players work together to clear levels and avoid hazards cooperatively.

Xeno Crisis

• Xeno Crisis
Release Date: 2019
Genre: Run and Gun / Shooter
Players: 1–2

• Description - Xeno Crisis is a twin-stick top-down run and gun shooter with room-based progression, enemy waves, weapon pickups, and arcade-style scoring.

• Co-op Experience - Two players can play simultaneously, each controlling a character on the same screen. Players fight through rooms together, manage enemy waves cooperatively, and progress through the game side by side.

Postal

• Postal
Release Date: 2023 (Dreamcast port)
Genre: Shooter
Players: 1–4

• Description - Postal is an isometric top-down shooter focused on enemy-heavy stages, mission-based progression, and chaotic combat. The Dreamcast version is a modern port of the original 1997 PC game.

• Co-op Experience - Up to four players can play simultaneously, each controlling their own character on the same screen. Players move through missions together, eliminate enemies cooperatively, and progress through the game as a group.

Metal Slug 6

• Metal Slug 6
Release Date: 2006 (Atomiswave / Dreamcast port)
Genre: Run and Gun
Players: 1–2

• Description - Metal Slug 6 is a side-scrolling run and gun shooter that builds on the series with selectable characters, weapon switching, and classic arcade-style action.

• Co-op Experience - Two players can play simultaneously on the same screen, each controlling a character through the full campaign. Players fight through stages together, use vehicles, switch weapons, and take on bosses cooperatively.

Knights of Valour: The Seven Spirits

• Knights of Valour: The Seven Spirits
Release Date: 2003 (Atomiswave / Dreamcast port)
Genre: Beat ’em Up
Players: 1–2

• Description - Knights of Valour: The Seven Spirits is a side-scrolling beat ’em up with character classes, combo systems, branching paths, and fantasy-themed stage progression.

• Co-op Experience - Two players can play simultaneously, each controlling a character on the same screen. Players fight through long stages together, use character-specific attacks, and progress cooperatively through branching routes.

Guilty Gear Isuka

• Guilty Gear Isuka
Release Date: 2003 (Atomiswave / Dreamcast port)
Genre: Fighting
Players: 1–2

• Description - Guilty Gear Isuka is a fighting game in the Guilty Gear series that uses multi-plane arenas and allows multiple fighters to be active at the same time.

• Co-op Experience - Two players can team up together in 2-on-2 battles, with each player controlling their own fighter on the same side. Both players fight cooperatively against opposing characters while moving between planes within the arena.

Dolphin Blue

• Dolphin Blue
Release Date: 2003 (Atomiswave / Dreamcast port)
Genre: Run and Gun
Players: 1–2

• Description - Dolphin Blue is a side-scrolling run and gun shooter with hand-drawn animation, military-themed action, and underwater gameplay elements involving rideable dolphins.

• Co-op Experience - Two players can play simultaneously, each controlling a character on the same screen. Players move through the stages together, shoot enemies, use vehicles and dolphins, and progress cooperatively through the campaign.