About UNDERBOX -Boss rush-
UNDERBOX -Boss rush- is a single player survival survival game with a horror theme. It was developed by Blue Wolf Developer and was released on September 3, 2021.
UNDERBOX is an endless survival boss rush fangame (a sandbox, kinda). Survive for as long as you can and try to beat your own highscore! UNDERBOX is an UNDERTALE fangame, please play UNDERTALE before considering playing this game. There are seven levels on total and each of them has a monster with different attack patterns. Try to unlock all of them! Play as all soul colors! Also, you now…
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Frequently Asked Questions
UNDERBOX -Boss rush- is a survival survival game with horror theme. Common tags for UNDERBOX -Boss rush- include indie and bullet hell.
UNDERBOX -Boss rush- is available on Windows.
UNDERBOX -Boss rush- was released on September 3, 2021.
UNDERBOX -Boss rush- was developed by Blue Wolf Developer.
UNDERBOX -Boss rush- is a single player game.