Things to mention:
You are
One Shot! +
No CheckpointsSpikes,
Projectiles, and
Flames kill you
You'll need a
key in every level in order to proceed onwards. The door at the end of every level won't open if you don't have one. There are also colored barrels that you'll need to push on top of buttons to unlock certain areas as well.
Levels do get longer the more levels you complete, but they aren't that hard to understand.
Full video guide for all 30 levels if needed, comment if you have any questions :)
-Timestamps-
00:00 Intro
00:32 Level 1 | Achievement 1/10
00:52 Level 2 | Achievement 2/10
01:17 Level 3 | Achievement 3/10
01:49 Level 4 | Achievement 4/10
02:15 Level 5 | Achievement 5/10
02:55 Level 6 | Achievement 6/10
03:30 Level 7
04:11 Level 8
04:40 Level 9
05:23 Level 10
06:35 Level 11
07:01 Level 12 | Achievement 7/10
07:46 Level 13
08:30 Level 14
09:14 Level 15
09:40 Level 16
10:30 Level 17
11:16 Level 18 | Achievement 8/10
12:07 Level 19
12:55 Level 20
14:04 Level 21
15:21 Level 22
16:14 Level 23
18:10 Level 24 | Achievement 9/10
19:28 Level 25
20:35 Level 26
22:07 Level 27
22:31 Level 28
25:00 Level 29
26:15 Level 30 | Achievement 10/10