Two armies. Three circles. One Decider. A fast fantasy RTS where matches are won in minutes.

A Vampire Survivors–inspired wave-based gambler roguelike survival

A Vampire Survivors–inspired wave-based gambler roguelike survival

A bullet-heaven wave-based survival gambler roguelike where gambling-powered abilities determine your fate. Survive endless waves in an open world, level up with randomised upgrades, and master the ch...

YouTube video by 5 Years Now

Two armies. Three circles. One Decider. 2 Forts is a fast-paced fantasy RTS on a hex grid: lead one of five factions, seize the summoning circles and turn the Decider's dragon breath on the enemy cast...

Official patch notes and version updates for 5 Years Now games including Ascending Realms, 5YN-OS, Adventure Reznara, and The Last of the 9 Lives.

NEW: Linux/SteamOS/Steam Deck support Try it out! NEW: Guided Tutorial Players are prompted on the first time they launch the game (or first time after this update) if they wish to play the guided tut...

Official patch notes and version updates for 5 Years Now games including Ascending Realms, 5YN-OS, Adventure Reznara, and The Last of the 9 Lives.

Dive into a sandbox operating system simulator and learn to code with FantasyLang. Personalise your desktop, build and tweak apps, uncover hidden secrets, and venture into the darknet. Shape the syste...

A persistent, text-led open-world RPG roguelike set in the Reznara universe. Explore dangerous regions, shape your adventurer, and face every strange road on your own terms. Every decision matters.

Write a working desktop widget for 5YN-OS from three lines to a published Workshop item.

Eight games written in the OS's own language, sitting in your file system as editable files. Plus one Doom-like that is not.

Twenty-five colour tokens, editable FantasyLang widgets with manifests, saved layouts and shareable customisation suites.

A list pretending to be a place, replaced with an actual place - plus the window manager holding it all up.

A persistent, text-led open-world RPG roguelike set in the Reznara universe. Explore dangerous regions, shape your adventurer, and face every strange road on your own terms. Every decision matters.

Dive into a sandbox operating system simulator and learn to code with FantasyLang. Personalise your desktop, build and tweak apps, uncover hidden secrets, and venture into the darknet. Shape the syste...

Not exercises - one continuous project. How Dev Academy teaches programming inside a fictional operating system.

A comedy mystery with no separate game scene. Every puzzle is solved with a system you already know how to use.

Interactive Entertainment Software Company creating interesting games. Join our journey!

Pipes, redirects, jobs, cron, a terminal multiplexer, version control and a database client - the shell inside 5YN-OS is a real one.

A lexer, parser, bytecode compiler and cooperative VM built inside a game - then rebuilt in Rust so the same language runs outside it.

36 hosts, 45 contracts, cracking tools, an economy and a Heat meter: a look at the finite hidden network inside 5YN-OS.

Explore every major part of 5YN-OS, from its desktop and file system to FantasyLang, Dev Academy, the fake web, security systems, and games.

Explore every major part of 5YN-OS, from its desktop and file system to FantasyLang, Dev Academy, the fake web, security systems, and games.

Interactive Entertainment Software Company creating interesting games. Join our journey!

Changelog, release logs, and compiler updates for the standalone FantasyLang runtime.