Over the last couple of weeks I've been uploading the demo and here's all that's new since the 0.2 patch notes:

demo ver. 0.3.0 save system

new

• added a save button in the settings menu,

• game auto saves every 2 minutes

demo ver. 0.4.0 achievements

new

• Achievements tab in the Collection Menu,

• Fish now react with hearts when fed,

• Character customization button in the Main Menu,

balance

• The Crystal Clear Upgrade rewards with more Jar space than before,

known issues

• the Character customization doesn't save the character between different play sessions

demo ver. 0.5.0 QoL improvements

new

• added more feedback when feeding fish.

• added button to change the game window (top of screen or bottom), and option to change the offset in settings

• added pin button to the Your Aquarium fish cards so that you can favorite fish and avoid selling them by mistake

• added (finally) the fish state of each fish (their food and coin production progress) to the save system

• added a Credits tab in the Settings Menu

fixes

• fixed fish over eating when multiple food pieces are nearby