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OnlyDefense

Game overview

OnlyDefense

You play as Marty Clumsby who got far more than he bargained for. Cursed below the belt by mischievous fay magic, he must seek answers through visual novel-style encounters with strange professors and grow stronger by defeating lustful factions in wild, erotic tower defense battles.

Adventure Casual Indie RPG Strategy
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About this game Read the full description

Marty Clumsby has a cursed dick — and it’s full of dangerously powerful magical essence!

Life was already hard enough (pun intended), but now Marty’s erection has become a ticking time bomb... and everyone around him has "strange" ideas on how to help.

By day, Marty desperately searches for answers about his curse in a university full of suspicious professors, seductive classmates, and "helpful" counselors who may or may not want to milk him dry.

Every hallway hides a new awkward encounter... and some very tight challenges.

Build ridiculous towers. Survive seductive assaults. Defend your hard tower... or get absolutely wrecked.

By night, he’s pulled into a dream world where he must survive chaotic, sexy tower defense battles.

Armies of lustful factions: orc warrior queens, horny witches, cumthirsty cumpiresses, and mischievous fey are desperate to drain the magic straight from his cock for their own twisted purposes.

In return, if he wins, his skills improve and he gets better - both by day and night.

  • Branched Narrative: Choose your adventure in hundreds of choices, open map, and more than 200.000 words of branching narrative

  • Tower Defense: Build towers and cast spells to fend off 5 lustful factions determined to milk you dry in total of 20 levels (100 waves) of ridiculous enemies

  • Quests: Uncurse your dick through more than 50 hilarious quests, side-quests and events to progress, unlock animations, meet new characters, and win your secret crush

  • Ridiculous RPG: Improve your stats, collect bonuses, and roll the dice to test your skills

  • Meet 15+ characters including your secret crush, dominant queens, cursed witches, thirsty monsters, and more

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Defend your load. Resist the pleasure. Save your heart.

Player activity

Concurrent players over the last 48 hours.

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DevLog #4: Demo Updates – July 2025 Only Defense Devlog #1 Demo rebalance and bug fixes
System requirements Windows

Windows

Minimum

Minimum:
  • OS: Windows 10
  • Processor: Intel i5 or AMD equivalent
  • Memory: 4 GB RAM
  • Graphics: Intel Iris / AMD Vega or equivalent
  • DirectX: Version 10
  • Storage: 500 MB available space

Recommended

Recommended:
  • OS: Windows 10
  • Processor: Intel 7th Gen or AMD equivalent
  • Memory: 8 GB RAM
  • Graphics: Nvida GTX Series 10 or equivalent onboard
  • DirectX: Version 10
  • Storage: 500 MB available space
Game details Languages, features & support
Publisher
Pipe Drainage, Lewdonymous
Brazilian rating
18
Steam Germany rating
BANNED
Content warning
Only Defense contains adult themes intended for mature, open-minded audiences. The game features strong sexual content presented in a humorous and exaggerated fantasy setting. Players will encounter graphic depictions of various sexual acts, over-the-top sexual innuendos, frequent nudity, and extremely saucy descriptions.
Features
Single-player, Adjustable Text Size, Camera Comfort, Color Alternatives, Custom Volume Controls, Keyboard Only Option, Mouse Only Option, Playable without Timed Input, Stereo Sound, Subtitle Options, Family Sharing
Languages
English
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Frequently Asked Questions

Is OnlyDefense free to play?
Yes, OnlyDefense is free to play on Steam.
What genre is OnlyDefense?
OnlyDefense is a Adventure, Casual, Indie, RPG, Strategy game.
Who developed OnlyDefense?
OnlyDefense was developed by Pipe Drainage and published by Pipe Drainage.
What platforms does OnlyDefense support?
Available on Steam for Windows.