LemonSpawn is a small studio located in Oslo, Norway that is devoted to developing Turbo Rascal Syntax Error “;” expected but BEGIN, a modern and complete IDE, suite and compiler for producing games and demos for the Commodore 64, VIC-20, Nintendo Entertainment System (NES), the Commodore 128 and the Commodore Amiga, supporting both the MOS 6502 and Motorola 68000 line of processors. TRSE supports Windows, OS X and Linux.

In addition to developing TRSE, LemonSpawn has also produced several Unity assets in addition to a full-blown realistic galaxy ray-tracer.