Utsuru Infection is a free Arcade game you can play instantly in your browser, with no download and no registration. How to play: WADS to move. It renders at 800 by 600 pixels and scales to your window. It joined SaGo Games on September 27, 2024. It is an HTML5 build, so it loads in any modern desktop or mobile browser.
Utsuru is a multiplayer (4vs1) horror game where one player takes on the role of Reimu, and the other four players play as Youkai, trying to escape Reimu and Utsuru also has a recently added singleplayer mode where Reimu must try to eliminate all Youkai before she is caught. If the Youkai happen to find Reimu first, then I hope she can escape...being caught and defeated.