Update v0.1.4.5 Demo

[p]:D Thank you everyone for taking the time to try out the game! After the demo release, I’ve made an update that includes the following changes:[/p]

• [p]Reduced the number of stages per map from 5 to 3. I felt that replaying the same map with only slightly increased difficulty could get boring, so I removed levels 2 and 4 and replaced the numbering with I, II, III.[/p]
• [p]Changed the chest system so that you can now obtain skill upgrades.[/p]
• [p]Added a play count tracker for each map and difficulty level.[/p]
• [p]Added passive abilities for each character.[/p]
• [p]Buffed some skills such as Landmine Trap and Chain Frost.[/p]
• [p]Changed boss behavior so they no longer appear at the start of a wave, but instead show up midway through it.[/p]
• [p]And many other changes...[/p]