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Screw Halfbrick rule
(sh.itjust.works)
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
The calculator can handle it because there is no 3D, the fruits are animated 1-bit bitmaps of around 24×16 resolution. (Unlike in the Mario game, sprites don't even have transparency, they just draw on top of each other.) Fruits can be sliced through in any of the 8 directions but the graphics always just stop animating and split horizontally in half. I'm not complaining, it's a genius demake. The concept, gameplay, fonts, contrast fadeout with the bomb... all perfect. The watermelon in the menu is a little tutorial, and they even spare a few bytes for "⠟⠇⠯⠇⠯⠂⠿⠅ ⠀ ⠹⠁⠯⠇ ⠀ ⠛⠇⠧⠇⠽⠅⠹⠁ ⠀ ⠻⠇⠞⠆⠟⠇⠿⠅", a friendly message because CPU-native TI-83/84 Plus games don't have a standard for that (I've seen them use MODE, ALPHA, CLEAR, 2nd+MODE (QUIT), F6, a menu item, or ones that only get exited automatically on game over!)
With some practice, you can get over 95% of fruits while playing stealthily (pressing 1 key at a time with a finger on each of the 3 center columns such as SIN-COS-TAN).