Ossan Hamster

Hey!Update 1.5 is here — and this is the biggest update so far.This patch adds Mastery Mode, Steam online co-op, saved builds, the 15th upgrade row with ultimate skills, new arenas, Czech language support, and many gameplay, balance, and UI improvements.Thanks again for playing and sharing feedback.🏆 Mastery ModeAdded Mastery Mode Mastery is a new long-term progression mode with its own levels, tiers, arenas, mutators, run rewards, and permanent upgrades.Mastery starts from level 0 Progression is designed around gaining Mastery EXP and spending Mastery points on permanent upgrades.Added Mastery tiers 1–5 Each tier increases difficulty and rewards.Added 5 Mastery arenasBasement NestCable JunkyardSwampPortNeon NestAdded Mastery contracts A Mastery run can be completed by surviving for 10 minutes or reaching the tier score goal.Added Mastery mutators Mutators increase difficulty and EXP rewards, with effects such as swarms, stronger enemies, elites, damaged cables, energy leaks, and no rerolls.Added Mastery gifts during runs During Mastery runs, you can choose temporary gifts every 120 seconds, with different rarities and rerolls.Added permanent Mastery upgrades Spend Mastery points on long-term upgrades such as HP, damage reduction, energy, skill cost/cooldown, loot, EXP, and starting energy.Added Mastery leaderboard Mastery now has a leaderboard based on total EXP.🤝 Online Co-opAdded online co-op through Steam You can now create and join Steam rooms, invite friends, use passwords, ready up, and start co-op runs together.Added co-op arena selection The host can choose the mission or arena before starting.Added player setup before the run Players can choose skins and builds before the game begins.Added separate co-op records and leaderboards Co-op missions now have their own score records.Added separate player resources Each player has their own HP, energy, active skills, cooldowns, status effects, damage handling, and HUD.Added co-op elimination and revive mechanics W...

Hey!Update 1.4 is here — this patch brings a major upgrade system expansion, new general skills, manual cannon control, new quality-of-life options, and several gameplay fixes.Thanks again for playing and sharing feedback.⭐ New General Skills SystemAdded a new General Skills system General skills are unlocked every 5,000 score and provide broader gameplay upgrades outside the regular upgrade skill rows.Gas Nova moved to General Skills Active Skill 6, Gas Nova, is now unlocked through a general skill instead of being granted automatically at 20,000 score.🌳 Upgrade Skill ReworkLarge part of the upgrade tree reworked and rebalanced Many upgrade skills were adjusted, moved, redesigned, or rebalanced.Added 4 new upgrade rows The upgrade tree now has 14 rows with 5 skills each, creating over 5 billion possible combinations.Upgrade score thresholds increased Skill unlock pacing was adjusted to better match the expanded tree.New Tools drop item added Picking up Tools reduces upgrade skill thresholds by 50 score.🎯 Hamster Cannon ControlAdded optional manual cannon control After enabling the option in the upgrade menu, hamster cannons can now be aimed manually with the right mouse button.Added cannon cooldown label Cannons now show a small label indicating time remaining until the next shot.⚖️ Gameplay & Balance ChangesEnergy from wheel clicks changed Clicking the wheel now restores 2.5% energy instead of a flat 2.5 energy.Positive status effects with Barrier fixed Positive status effects are now applied correctly even when the player has an active barrier.Some Steam achievements are now easier to complete Score-based achievements are now checked at the end of the level, instead of treating 5,000 score as the run limit.Rats now stand slightly farther away from the wheel This should make it easier to keep clicking the wheel when surrounded.⚙️ Settings & UI ImprovementsAdded HP/Energy display option You can now choose whether HP and Energy are shown as percentages or as exact v...

Hey!Update 1.3 is here — this is one of the biggest gameplay-focused patches so far.This update adds 20 new enemies, introduces new super enemy spawns after reaching higher scores, reworks several enemy mechanics, improves balance, adjusts upgrade skills, and fixes multiple gameplay issues.Thanks again for playing and sharing feedback.🆕 New Super Enemy LayerAdded 20 new enemies Each level now has an additional enemy type, with many of them appearing as stronger “super” enemies later in the run.Super enemies now appear after reaching 5,000 score These enemies are stronger than basic, mid, and elite enemies, adding more pressure to longer runs.Spawn pacing adjusted The spawn algorithm was changed so early waves ramp up less aggressively while still allowing later waves to become more intense.🐭 Enemy Gameplay UpdatesSeveral existing and new enemies received unique mechanics, including:A new enemy that can destroy MouseTraps and disable the Hamster CannonEnemies that summon guards or split into smaller enemiesEnemies with armor, damage reduction, healing auras, or protection effectsEnemies that steal loot, collect items, or interact with level objectsFlying enemies that can now properly ignore traps and terrain obstaclesNew ranged attacks such as potions, rockets, crossbow bolts, paper airplanes, fire attacks, and moreSome existing enemies were also reworked or improved, including Pink Mouse Witch, Market Mouse Guard, Soldier Mouse Basic, Soldier Mouse Commander, and others.⚖️ Balance ChangesUpgrade skill thresholds adjusted Upgrade skill score thresholds from row 6 onward were increased from 1000 to 1500.Several upgrade skills adjustedSome healing and regeneration effects were rebalancedBarrier damage storage was increasedSome upgrade drawbacks were removedAmmo restoration was added to one angel-related upgradeDrop-related upgrades were changed to focus more on item effectiveness instead of only drop chanceActive skill balance updatedAmmo skill now costs more energy, h...