Games like Genesis Online

"Aftermath" is a free, violence-packed shooter game that supports up to 2 players in a massive multiplayer setting, with both co-op and PvP modes. The game offers a harsh open world survival experience, where players can build bases, claim land, and store items. However, due to a dwindling population, the game's servers may not be online for much longer.

"8BitMMO is a free-to-play, retro-style 2D massively multiplayer role-playing game where players can build their own homes, towns, and dungeons in a 100% player-built world. Engage in Player vs Player combat, fight evil LawyerCats, or become a mayor and manage your own town. With ongoing development based on player ideas and anti-griefing systems in place, 8BitMMO offers a unique and interactive gaming experience."

In "Hide vs. Seek," players engage in a thrilling cat-and-mouse chase between a shape-shifting goo blob and a high-tech tracking robot. The Hider sneaks around the house collecting goo and disguising itself as objects, while the Seeker hunts it down using unique abilities. Intense multiplayer gameplay focuses on stealth, strategy, and frantic escapes.

"Undawn is a free-to-play, action-packed open-world survival RPG, combining PvP and PvE modes for a thrilling post-apocalyptic experience. Brace for harsh environments, realistic survival mechanics, and customizable characters in this immersive adventure. However, be prepared for grinding and numerous bugs that may impact gameplay."

Day One: Garry's Incident is a single-player shooter game set in the Amazon Rainforest, where the protagonist, Garry, finds himself after a plane crash. The game is filled with humor, but its story and gameplay are poorly executed and plagued with bugs, leading to primarily negative reviews from critics. An ancient civilization and survival elements provide some interest, but are not enough to overlook the game's shortcomings.

Digger Online is a free-to-play online multiplayer game where players control digging machines to collect resources and battle opponents. The game features various modes, including deathmatch and team-based objectives, with a focus on strategy and skill. With a variety of upgrades and customization options, players can enhance their digging machines and outmaneuver their enemies in this unique action-packed experience.

Infestation: The New Beginning is a nonlinear open-world survival game where players explore a vast persistent world, scavenging for supplies and battling various dangerous zombies. Teaming up with others boosts survival chances while managing risks like losing currency and navigating hazardous zones. With features like a dynamic flea market and intense PvE encounters, it offers a challenging post-apocalyptic experience.

In "Woodle Tree Adventures," players control a walking, jumping tree tasked with restoring life to a once-vibrant world. Traverse through different levels, collecting water droplets to revive the land. With its charming art style and simple gameplay, it's a relaxing yet engaging platformer that appeals to players of all ages.

Cubic Castles is a free-to-play voxel-based building and exploration game. Players can create their own worlds, gather resources, and build intricate structures using a variety of blocks and items. Featuring online multiplayer, players can interact, visit other players' worlds, and participate in community events. The game offers a creative outlet for players who enjoy building and exploring in a shared universe.

"Nether" is a survival game set in a post-apocalyptic urban environment, where players must make quick decisions to stay alive. The game has been rolled back to 2014, with single-player mode, no micro-transactions, and multiplayer on player-hosted servers. Custom server settings and modding tools are in development. Bug fixes, including for the Nether character, are also planned.