When opening the linux version, the window is way bigger (1080p I would guess?) than my monitor, I have a 1366x768 (720p) resolution. Then I tried the windows version (using wine) and luckily there was no problem, it was fullscreen, unlike the linux version that was windowed.
I found some of visual glitches (the first five are in the video).
1. Sudden freeze and some frames skipped. (I edited the following two pauses, but this one is an authentic one).
2. At certain frames the tongue gets chopped.
3. When hitting the miniboss the tongue's tip isn't flashing, as the rest of the sprite does.
4. All the rocks are chopped.
5. In the pause screen when interacting, the character moves as well, I put two clips to show what I could do.
6. (Unrecorded) In the pause menu, there was something in the background, like a sprite that shouldn't be there, it happened so quicky that I couldn't see exactly what it was, but I'm pretty sure that I saw something. I tried to reply the bug while recording but it didn't happened.
Shooting while aiming and pointing above is not possible.
In general the main game feels pretty much finished already. The things that need more work are:
-Rendering the game in different sizes
-Being able to close the game inside the game
-Being able to modify the default keys (*this could be optional since not all the games give this option, but some people will appreciate it)
-Fullscreen and windowed options (*this also could be considered optional, it's more the preference of the player, is also helpful with games that are too demanding to gain some fps)