Games like Riot Street

"Days of War is a fast-paced, competitive first-person shooter set in World War 2 with non-stop combat in 32-player multiplayer matches or offline against bots. Experience intense battles across 12 maps, including European, African, and Eastern front theaters. Customize your gameplay with the map editor and Steam Workshop support for creating and sharing custom maps."

Shark Attack Deathmatch 2 is an action-packed shooter game set in underwater environments. Players can choose from a variety of human and sea creature characters, each with unique abilities and weapons. The objective is to survive and eliminate other players in intense multiplayer matches, with various game modes such as deathmatch and team deathmatch. The game features a range of marine environments, from sunken ships to treacherous underwater caves.

AXYOS is a massively multiplayer shooter game with single-player and PvP modes, combining elements of classic FPS and MOBA. Players can upgrade their characters, complete objectives, and purchase weapons/items from an in-game shop. The game is still in development and may have bugs, but seeks to deliver an innovative experience by incorporating community feedback.

"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.

"Virtual Warfighter" is a military tactical simulation game that places players in the role of a combatant in a variety of realistic scenarios. The game features a wide range of weapons, customizable loadouts, and both single-player and multiplayer modes. Players must use strategy and skill to complete objectives and defeat the enemy in this intense, immersive combat experience.

Compete for #1. Best in the West is a Wild West shoot out experience! Grab a gun and blast your opponents with revolvers, double barreled shotguns, and other western weapons. Explore the woods and find loot to survive to be the last one standing.

"Down to One" is a competitive first-person shooter set in a dystopian future. Players fight for survival in high-stakes matches, where only one can emerge victorious. Utilize a variety of futuristic weapons and abilities to outsmart and outgun your opponents. Featuring intense action and fast-paced gameplay, "Down to One" will keep you on the edge of your seat.

"H-Hour: World's Elite" is a tactical military shooter focused on team-based gameplay. Players can choose to be a part of a 32-player team, completing objectives and eliminating the enemy. The game is a spiritual successor to the "SOCOM" series and features similar mechanics and gameplay. It also allows players to create and customize their own missions with the mission editor.

"Takedown: Red Sabre" is a tactical, squad-based shooter focused on realistic weapon behavior and strategic team planning. Players can engage in online multiplayer matches or the single-player campaign, assuming the role of an elite special forces operative. The game features tight controls, a variety of missions, and a heavy emphasis on tactical gameplay.

Lifeless is an action-packed game set in post-apocalyptic Stillwater Bay, featuring immersive narrative-driven gameplay with engaging NPCs and challenging missions. Players can build bases, scavenge vital resources, and strategically level up their characters in single-player or co-op multiplayer modes. While praised for good graphics and gameplay, it notably lacks optimization.