- Version 0.9 Beta Size:2693 04.IX (first major release)
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-* multiple pickups can be collected, and activated by pressing F2
-* two pickups select torpedo, one selects shield increase
-* you have 4 lives. Dieing will decrease lives and restart in the same level
-* fixes: pickups no longer fire bullets, randomizer fixed, game over quits
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- Version 0.91Beta Size:2797 05.IX
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-* fourth icon selects laser
-* fifth icon selects multiples (like the shadow multiples in Nemesis)
-* most data no longer stored in program, saving a lot of bytes
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- Version 0.92Beta Size:2831 08.IX
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-* Laserbeam lasts for five turns, making it more powerfull
-* Bullets and enemies are removed at the beginning of a level
-* Pickups don't appear random anymore, but after destroying x enemies
-* Bugs fixed: fifth icon select, firing bullets, invulerability
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- Version 0.93Beta Size:3098 11.IX (second major release)
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-* Pickups move slower
-* Keys changed to 2nd and Alpha
-* Counts score and saves highest score
-* Multiples move only when you move (like in MSX-Nemesis)
-* A lot of small fixes and changes (really a lot of them)
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- Version 0.94Beta Size:4456 08.X (yet another release)
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-* Two-layer starfield scrolling in the background
-* Some enemies aim their bullets towards you
-* Bugfixes etc. (like the fire-when-already-destroyed-bug)
-* Enemies can move at different speeds or move patterns
-* Ground scrolling at bottom and ceiling scrolling at top
-* Tunnel effect in some levels
-* Main menu (choose continue or start new game)
-* Levels changed, bugs fixed, enemy firing rate differs, and more