Armory readability - increased text sizes, contrast, spacing, prices, ranks, and preview-hint readability

Credit counter - increased the bottom credit counter size by approximately 21%

Level announcement - updated its entrance and exit animation direction

Boss headers - removed the numbered x/20 suffix from boss names

Boss events - normal enemies continue spawning during boss encounters

Round progression - regular enemies continue advancing the level quota while a boss is active

Boss persistence - undefeated bosses can survive into later levels

Boss completion - defeating a boss no longer automatically completes the level

Boss rotation - bosses are selected randomly from unseen variants until all 20 have appeared

Cross-run rotation - unseen-boss progress now persists between runs

Cycle rollover - completing the full boss pool starts a new shuffled cycle without immediately repeating the previous boss

Boss durability - boss health now begins at 240 and increases by 120 per encounter

Enemy quota values - regular enemies award 1 quota point, elites award 2, bosses award 5, and boss summons award 1

Heavy Rounds - reduced weapon damage from 10% to 6% per rank

Rapid Chamber - changed from 6% interval reduction to a smooth 4% fire-rate increase per rank

Power Reservoir - reduced duration bonus from 15% to 10% per rank

Forked Fire - reduced angled-shot damage from 45% to 25%

Chain Reaction - reduced its bonus from 0.75 to 0.50 per rank

HUD rendering - cached repeated ring textures and colour calculations

Effects rendering - optimized arc and ring drawing to reduce render-submission cost