1/3
3 Years of Service
- Allow others to update?
- yes
- Developer Name
- TwistedScarlett
- Developer Links
- Version
- v1.0.1
- Latest Update
- Nov 26, 2025
- Release Date
- Jun 20, 2025
- Language
- English
- OS
- Windows
- Linux
- MacOS
- Android
- Other Games

Overview:
One Pump Chump is a lewd parody Visual Novel with RPG elements, set in a world of powerful heroines, horny monster girls, and hero rankings. Train, flirt, survive... and try not to blow it too early.
2D Game, 2DCG, Male Protagonist, Vaginal Sex, Oral Sex, Mobile Game, Male Protagonist, Monster Girl, Creampie, Transformation, Parody, Handjob, Masturbation, Sex Toys, Virgin, Combat, Humor, RPG, Turn Based Combat.
Extract and run
v1.0.1:
Major:
v1.0.0
Major:
Major:
Act 1 Features:
Major:
- New Dead Rail Event - Visit the Imps at their home, and finally get a H-Scene for them. Players that have cleared Dead Rail may need to use the 'Replay' function.
- Added a 'secret' epilogue scene after beating the main story, beating Pyraxis in the simulation, then going to sleep (People were a little sad that Pyraxis didn't seem to get a resolution, so here we go!)
- New Cheat: 'One Punch Man' - defeat all enemies in one hit!
- Mosquito Girl's First Encounter: Her HP and ATK now scales from 50-60, and 6-8 depending on the day you encounter her. (This was done to help prevent an auto-loss if encountering her on Day 2/3)
- Added some extra dialogue to the first bed talk. (I was just experimenting with what deeper dialogue options might look like for fun and decided to slip it in.)
- Fixed Daily Mag not fully increasing with Wit, and nerfed the Mag Gain by 50%. (Now 100 Wits = +50% Daily Mag. This should balance out the Esper tree being 50% more expensive than the others.)
- Kitsune Support: Now actually works (sorry) - implemented a scaling cap equal to 12 + Monster Rep
- Small Mortivira nerf: All sources of damage in this fight deal 1 less damage. Black Candle no longer deals extra damage in phase 2. (Mortivira ended up being the hardest battle and a little RNG dependent, because not only did you have to deal with strong minions, but her spells were just as scary as any of the other superbosses. Hopefully this adjustment will give players more breathing room)
- Fixed some scenes not resetting Protagonist or Tatsumaki's lust
- Fixed Explosive Vial A causing Poison and Bleed to proc twice
- Fixed 'Discern' not working in the Azazel fight, causing her clones to pop instantly
- Fixed individual doppelganger scenes requiring x2 potions
- Fixed Cauldron 3's Tooltip from +1 Wits to +2 Wits.
- Fixed Acid Flask A and B not granting an additional Flask.
- Fixed HP Regen from Cauldron7a not getting subtracted when selling. In fact, it was actually getting added again when selling!
- Fixed a crash when looking at Data Khaos' second tip.
- Many many Typo fixes
v1.0.0
Major:
- +1 Advanced Act: Full Nelson
- +1 Outfit Scene: Wedding Dress
- +2 Transformation Scenes: Werewolf, Pregnancy
- Added Zone X: Super Boss Zone with 6 Super Bosses and 6 H-Scenes for successful victories.
- Story: 5 New Events, including the finale.
- ~16,000 Words of New Content
- 6 New Encyclopedia Pages
- Wits now increases Daily Mag. 1 Wits = 1%.
- The hidden defense stat has been removed and the game has been rebalanced around it.
- Most enemies have a lower ATK value.
- Physical Skill HP Costs have been reduced
- Blood Lash A: Reworked effect. Bonus damage is now dealt as a bleed DoT
- Final Toll: Costs 50% Max HP -> 50% Current HP. It can now always be used.
- Final Toll A: Immediately refund half the HP spent -> refund all the hp spent
- Healing Potion B: No longer heals additional HP. Now gives +10 Max HP.
- Acid Flask B: New Effect, 'Debuff Potion,' inflicts +10% Stun, Poison and Evasion.
- Toxic Crescendo: Base damage increased. Now tells you how much damage it'll deal instead of a %. Is now a guaranteed critical hit.
- Toxic Crescendo B: Buffed to give 2 of all the debuff potions, and 1 additional Toxic Crescendo
- Wind Blast A: New Effect: Causes enemies to take bonus follow-up damage from your attacks.
- Wind Blast B: No longer deals bonus damage, or costs more MP.
- Barrier A: Now deals damage equal to the amount of barrier gained x 2.
- Passion Unleashed A: Now Costs 10->6 HP on Cast
- Silent Eclipse B: New Effect: Every Turn: Gain shield equal to 10% of your Current MP while Silent Eclipse is active.
Major:
- Advanced Acts: Anal Cowgirl
- Transformations: Giantess, Fairy, FFM, FMM
- New Area: City Ruins, +2 Monster Girls, +5 HCG.
- Story: Three Events, +1 Sex Scene
- New character model for ‘Genos’
- New Clothing System: Added Goth, Gyaru, and a Winter dress for Tatsumaki. Added Gyaru styles and Casual dress for Fubuki.
- New Supports system: select up to three supports to appear in battle. Support powers now scale with your reputation.
- Inventory and Passives menu improvements.
- When an area reaches 100% completion, you can now select an event from that area to replay.
Act 1 Features:
- 30,000 Words split between main story and gameplay events
- 14 Main H-CG, 6 Side CG
- 7 Main H-Scenes, 1 Side H-Scenes
- 7 Characters in the Main Story
- 5 Cute Monster Girls to fight in Turn-Based RPG Combat
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