Good game. It was especially clever hiding the cursor while taking cover. But the scoring seems to be really buggy. It always says 0 in between levels, then when I click heal, it rises to 400. You should probably fix that.
This was okay. Not good, not bad, just... okay. The graphics (especially in cutscenes) leave a lot to be desired, and the world itself feels really small and shallow, disguised only by the restart feature. Anyway, I reached the ending after about an hour of play, and I don't feel like I've actually done anything. I didn't even get to beat the nightmare boss.
You should be able to press the number keys to change numbers (at least if you're in numbers mode), with 0 being erase. Also, if you shift-click to hide all but one number, and shift-click it again, it should reshow all numbers. And, for more keyboard controls, I also suggest making ctrl-number hide/show a number, and ctrl-shift-number hide/show all other numbers. Honestly, when it comes to Sudoku, you can never have enough keyboard shortcuts.
Pretty good. Two things you need to address though: First, the screen sways to the left and right in an almost hypnotizing manner, which can be rather distracting. Not sure if that's what you were going for, but if not, you might want to just have the camera horizontally glued to Climber instead. And second, sometimes a platform can appear directly over another, and it can make for some annoying platforming. At the very least, make sure that doesn't happen until after the first few levels (or the equivalent thereof).
One thing that would make things interesting would be to reduce your physical abilities (i.e. running speed and jump height) as your health decreases. And for another twist, if you push your health too low, you die. And dying results in a score of 0, while getting better lets you submit your score, so there's real risk involved by continuing to hurt yourself.
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