Risk of Rain is an action platformer with roguelike elements, first released in 2013. You fight on a mysterious planet against randomly spawning enemies, utilizing permanent death mechanics where every run is a high-stakes attempt to survive. The core loop involves collecting stacking items to enhance your character while the difficulty constantly scales based on time spent in the level. It supports online co-op for up to four players and blends shooter, RPG, and platforming genres across PC, Mac, PlayStation 4, Xbox One, and Nintendo Switch.
The gameplay loop centers on navigating procedurally generated levels, fighting increasingly difficult waves of enemies, and collecting items that stack infinitely to enhance your character's abilities. As time progresses, the difficulty scales dynamically, forcing players to balance exploration for better gear against the rising threat level.
The genre blend incorporates elements from shooters, platformers, RPGs, and hack and slash titles. Players select from a roster of distinct survivors, each possessing unique starting equipment and abilities. Progression within a single run is driven by discovering and utilizing a vast array of randomized items—from simple damage boosts to complex modifiers that fundamentally alter how your character attacks and moves.
The defining feature is the escalating difficulty curve tied directly to in-game time. Unlike many games where difficulty is fixed per stage, here, the longer you spend on a stage, the stronger the enemies become. This creates a constant tension between farming for powerful item combinations and rushing to the next teleporter to advance the run.
The atmosphere is one of relentless, chaotic survival on an unknown world populated by bizarre and aggressive alien life forms. Players must battle through diverse environments, encountering randomized standard enemies and challenging boss encounters that serve as gatekeepers to the next area.
A significant aspect of the experience is the cooperative play option. Players can team up with up to three friends online to tackle the planet's dangers together. Coordinating item builds and character synergies can drastically alter the approach to surviving the escalating challenges.
As a main title, the core experience is self-contained. There are currently no official downloadable content packs or expansions available for this version of the game. It is worth noting that a separate remake of the title was released later, but this overview pertains to the original 2013 release.
This action platformer is widely accessible, supporting PC via Windows and Linux, Mac systems, and major consoles including PlayStation 4, Xbox One, and Nintendo Switch.
The content of this game is suitable for persons aged 7 years and over only. It contains: Non realistic looking violence towards fantasy characters - Non realistic looking violence towards characters which although human are not very detailed

Meridian is a fanmade Risk of Rain expansion pack, adding new content to many areas of the game. It focuses heavily on the rich world of Petrichor V, both in its vast and lively stages, and a plethora of new enemies and elite types to inhabit them.

Carefully designed, beautifully remastered, and loaded with new ways to play—Risk of Rain is back and better than ever! This remake of the classic Risk of Rain packs enhanced visuals, an updated codebase, and tons of new content. No two runs in the iconic roguelike are the same, and that has never been truer. Risk of Rain Returns bring new and enhanced Survivors, customizable Survivor abilities, fresh items, monsters, and a brand-new game mode. The game’s difficulty increases the longer you play, so prepare to fight through hordes of enemies that threaten your continued existence, collect and combine items to enhance your abilities, and scale your power to godlike levels. Many Survivors fled the mysterious attack on your ship. Forge new paths to explore with 15 unique Survivors, each with new abilities to master. Two entirely new Survivors are making their debut in Risk of Rain Returns.

Starstorm is currently the biggest content mod for Risk of Rain (ModLoader) featuring new survivors, items, enemies, stages, artifacts and bosses. Starstorm focuses on expanding the content of Risk of Rain by adding a whole new layer of diversity to improve gameplay and breathe new life into the game.