I added your game to Lemon now. Suffered some slow-downs on A1200 plus FASTRAM config, but nothing serious. I completed it at first attempt (easy mode) on notebook with touchpad(!) only, without RMB slo-mo though, only LMB lasers. https://www.lemonamiga.com/games/details.php?id=5131 Nice game, will advance on real Amiga with harder modes to complete it properly.
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Sweet! That's great to hear you finished it!
If playing on laptop touch pad, you can use X and C keyboard buttons for laser and slowfx :)
Yes, on a1200 with 2meg fast ram, some rare and minimal slowdown can be experienced when a boss has spawned too many of its defences. Should not really affect the gameplay.
Good luck on the XTRA mode :D