After all the users left and only veterans remained in the idle diamond production game <Infinite Diamond>, I was pulled into a strange world after completing the final achievement of 'Achieving 999,999,999... diamonds'. Inside the yet-to-be-opened <Terrarium Adventure>, with the 999,999,999... diamonds I had collected. Conquer the game world with diamonds that never decrease no matter how much you use! Illustration: dia nak