I like how you implemented the theme in this timeline planning strategy game.
The pixel art and animations are great and I like how you can walk around the world map.
Audio felt a bit lackluster. Maybe needs more sound effects during the part where you place actions on the timeline? I'm not sure what it is, but I felt like there was an "empty space" in some points of the game.
Gameplay is also very "think" intensive, with all the calculations you have to make in your mind for each step of the timeline... how many coins will I have at this point? where will the enemy be standing? what attack would reach them in that spot? oh I have to use certain moves that are fixed in the timeline so I need to plan my coins ahead...
I definitely think it would be more accesible to play if the game itself showed the board state on each turn if for example you hover the mouse over any point in the timeline. Pointing at a spot that's not connected to the start of the timeline does nothing, of course, since you can't calculate with gaps in the sequence.
I also feel it would help speed up the game if you can use the keyboard to swap between characters, since you need to do that a lot in a single timeline section.
Overall, it's a great game for 2 weeks of work. Good job!