Here is 'Ophidian Crawler' (version 0.08) a small snake game without right angles. It is powered by the löve 2D game engine (lua based), release 11.2

The head of the snake is the yellow circle, and to grow you must eat 'vitamin' (the static colored circles). The vitamin start yellow and becomes red Each vitamin add one green circle to the snake's body.

You loose when your head hit your body

The score computation :

Each time you eat 'vitamin' your earn between 50 and 200 points depending of the color of the vitamin and its size (big yellow = 50, little red = 200) and a bonus about the half of the length of your snake. The bonus is earn in five parts, each second after the fifth second you ate the 'vitamin' Those bonus are cumulative, and the number in red shows you the ammount of bonus to earn

The snake wrap around the screen

If no movement (right or left) is done during five seconds, the snake becomes 'ghost' and can not eat vitamin. Any movement terminate this mode.

The snake body avoid to travel across the vitamin.

URL of the löve forum thread : http://love2d.org/forums/viewtopic.php?f=5&t=36591