- Game mode selection screen before difficulty selection
- Standard Play mode: Classic coin flipping with session-based progression
- Roguelite mode: Persistent progression with powers that carry between runs
- 13 power types: Lucky Coin, Golden Touch, Quick Hands, Streak Master, Fortune's Favor, Iron Will, Banker, HighRoller, Momentum, DoubleDown, CompoundInterest, GamblersEdge, Resilience
- Power reward panel showing 3 random power choices after reaching an ending
- Persistent power storage using s&box Storage API
- Continue the saved run feature for Roguelite mode
- Active powers panel to view current power levels
- Separated leaderboards for Standard and Roguelite modes
- Standard leaderboard shows: Best Streak, Endings Reached, Flips, Heads, Money, Tails
- Roguelite leaderboard shows: Best Streak, Endings Reached, Flips, Heads, Money, Tails, Total Runs
- Leaderboards refresh immediately when game mode changes
- Power levels up to 10 for most powers, 5 for Quick Hands
- Better game flow with clear mode selection before starting
- Roguelite mode applies power bonuses to all relevant game mechanics
- Upgrade menu styling with better visual feedback
- Power reward panel card design and animations
- Game mode panel with a continue run option when saved state exists
- Score panel displays active powers in Roguelite mode
- Eliminated per-frame garbage generation in UI panels
- The achievement system now triggers correctly when conditions are met
- "First head" achievement now triggers on landing first heads (not based on streak)
- Money achievements evaluate immediately after coin lands
- Streak achievements no longer trigger on upgrade purchase
- Ending panel now returns to main menu instead of difficulty menu
- All 19 achievements were properly implemented with event-driven evaluation
- Continue run now properly resets powers when restarting to difficulty menu
- Continue run button now correctly checks for saved run state