
Steal panties. Four agents, four completely different minigames — reaction timing, math, rhythm tapping, and maze runs. Collect nearly 200 treasures across five rarity tiers, rank up, and customize your own agent. Free.
Revenue comes from in-game items and microtransactions, which our price-based model doesn't estimate. The player count below is how many people own it, not what they spent.
About

Help Atty and her team steal panties:
PANTSU: Atty’s Collection is a casual online single-player collecting game, where you help Atty, Mizu, Sasa, and Rikki collect a constantly growing list of panties in the world. Fill up your collection, earn panty points, and use those panty points to unlock higher levels and more outfits to customize your own member!
Brief Story:
Atty is the founder of Atty’s Secret Base, which is a secret organization designed to find and collect (steal) panties. PANTSU is a specialized team that stands for the “Panty Acquisition Network, Team Star Unit,” which specializes in stealing panties directly from people to add to the collection. Atty, Mizu, Rikki, and Sasa (with the panda bears) are the main members of PANTSU, and needs your help to collect them all!
Game Style:
Each of the characters has their own unique style of collecting panties.
Atty has a reaction time method of collecting panties, where you will need to press the screen when the yellow bar is within the pink circle.
Mizu is very calculated in her approach to collecting panties. Solve “simple” math problems to find a way to collect panties with her method.
Sasa's style is based on her ability to manage the little pandas she takes care of. She helps control the chaos that the pandas make when collecting panties. Tap on the circles in order from lowest to highest to collect panties.
Rikki’s style simulates the complex maneuvers she makes with her tail to collect panties. Drag the coin through the maze, collect the keys to open the door, and drop the coin into the treasure chest.
Collection:
Fill up your panty collection in each stage. Each character has their own Legendary panty that reflects a portion of their personality. Mizu, Sasa, and Rikki each have their own variety of legendary panties they can find, so mastering all the styles of play is needed to complete the collection!

Progression:
Each panty, based on rarity, will earn you panty points. These panty points can be redeemed to increase your level, which will unlock more stages and more outfits for your member to buy. Check the leaderboard to determine your rank in Atty's Secret Base!
Character Customization:
You can build your own member in Atty’s Secret Base, and you can currently use your member to stop thieves from stealing your properly stolen panties! More features will be coming soon.

FREE. PICK UP, PLAY, PUT DOWN.Free to play and built for short sessions — a few minutes in a queue, a proper run on the couch. Progress syncs across Steam, iOS, and Android, so you can start on your phone and finish at your desk.
No hentai. No nudity. Just very cute panty crime.
Genres
Stats
Languages: English**languages with full audio support
Reviews
For people who just love pantsu too much
have to make an account? miss me with that faye ♥♥♥♥ I'll just go steal panties at the gym
Fun rhythm game, and you are kazuma from konosuba STEAL!!!
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Price dynamics, follower growth, revenue and sales trajectories with interactive tooltips
This and every other Pro feature is free until October 20, 2026. A free account is all it takes.
Karakterinizi kişiselleştirmek için rütbe atlamak, seviyeleri açmak ve öğeler satın almak için külot toplamanızı sağlayan mini oyunlara sahip, rahat bir anime oyunu. Eğlenceli ve komik açıklamalara sahip.
Makes you sign up to play. Once I did make an account with a throw away email I kept getting login errors and was not even able to play the game.
IT HAS A DRAGON AS A PANTIES 10/10 Would still it again
A cute and lewd casual collecting game centered around stealing panties with a variety of timed inputs. It's honestly very fun and engaging. I love it. It really deserves more love.
PANTSU: Atty’s Collection is a quirky casual collectathon developed and published by Mizuai, LLC. Instead of building its identity around conventional treasure, monsters, or valuable artifacts, the game centers on collecting panties through a series of simple mini-games. It is an intentionally ridiculous concept that establishes the tone immediately, combining anime-inspired characters, light puzzle mechanics, progression, customization, and collectible hunting. The unusual premise is unquestionably aimed at a niche audience, but underneath the provocative theme is a straightforward progression system designed around completing stages and expanding a collection. The premise revolves around Atty’s Secret Base, an organization created by Atty for the purpose of acquiring panties. Its specialized PANTSU unit includes Atty, Mizu, Rikki, and Sasa, with Sasa's troublesome pandas adding another source of comedy. The narrative largely serves as an excuse for the gameplay rather than functioning as a substantial story. Characters and situations are presented with exaggerated seriousness despite the absurd objective, giving the game a deliberately silly personality. The developer also makes the nature of the content clear, since stealing underwear is central to the premise even though the game presents the activity primarily as comedic mischief. One of the better decisions is giving the main characters different mini-games. Atty's activity revolves around timing, requiring players to react when a moving indicator reaches the appropriate area. Mizu introduces basic mathematics, making successful collection dependent on quickly solving simple problems. Sasa's challenge requires numbered circles to be selected in ascending order while maintaining concentration. Rikki offers a maze-based activity in which players guide a coin through obstacles, obtain keys, unlock the required path, and eventually reach a treasure chest. These activities are easy to understand, making the game approachable without lengthy tutorials. Although none of the individual mini-games appears especially deep, combining several different mechanics helps prevent the experience from feeling like exactly the same challenge repeated indefinitely. Each character emphasizes a slightly different ability, including timing, arithmetic, visual recognition, and navigation. The variety is particularly important because collecting is the foundation of the entire game. Players who expect complicated puzzles or demanding arcade mechanics may find these challenges too elementary, but those wanting a relaxed collection-focused experience should have little trouble understanding what is expected. The collectible system provides the primary motivation for continued play. Stages contain panties to acquire, including rarer items that are more valuable than ordinary discoveries. Certain characters have their own Legendary panties, adding another completionist objective beyond simply clearing stages. This gives players reasons to engage with multiple characters and their corresponding challenges. Finding something rare is inherently more satisfying than receiving another common collectible, and that distinction helps turn an intentionally absurd concept into a recognizable collectathon structure. Progression is supported by panty points, with collectibles contributing different amounts according to their rarity. Accumulating these points allows the player to increase their level, and higher levels provide access to additional stages and outfits. This creates a clear gameplay cycle: complete challenges, acquire collectibles, accumulate points, increase the level, unlock more content, and return for further collecting. A leaderboard adds a competitive component for players interested in comparing their progress rather than treating the experience entirely as a solitary collection exercise. Customization provides another incentive to progress. Players can create their own member of Atty’s Secret Base and obtain additional clothing options over time. There is an amusing contradiction in using this customized character to defend the organization's stolen collection from other thieves, which fits the game's intentionally nonsensical humor. The customization component does not appear intended to overshadow the mini-games, but it provides a more personal use for unlockable content and gives players something visible to work toward besides filling out a collection. Visually and conceptually, the game embraces a colorful anime-influenced style suited to its lighthearted approach. The overall design emphasizes cute characters and uncomplicated interaction rather than realism or dramatic storytelling. This complements the short-form mini-games and makes the title better suited to casual sessions than prolonged, mechanically demanding play. Players attracted to collectathons, character customization, simple puzzles, and unusual indie concepts are therefore more likely to appreciate what it offers. Its greatest limitation comes from the same simplicity that makes it accessible. Timing a bar, solving basic mathematics, ordering numbers, and navigating a maze can provide pleasant diversions, but these concepts need sufficient variation to remain interesting over extended play. Much of the longevity consequently depends on how strongly the player responds to unlocking outfits, finding rare panties, improving their level, and completing the available collection. Anyone uninterested in completion-based progression may exhaust the novelty much sooner. As a free-to-play title, PANTSU: Atty’s Collection at least provides a relatively accessible way to determine whether its unusual combination of humor and collecting is appealing. The Steam information indicates in-game purchases and the use of a third-party Auth0 account, factors prospective players may want to consider. Its technical requirements are modest, which fits a lightweight casual game and makes it approachable for players without particularly powerful gaming hardware. Overall, PANTSU: Atty’s Collection is a strange but surprisingly coherent casual game whose various systems consistently support its central collecting gimmick. Mizuai, LLC has taken an intentionally absurd premise and surrounded it with character-specific mini-games, collectible rarity, leveling, leaderboards, unlockable stages, and customization. Greater mechanical complexity could strengthen its long-term appeal, but simplicity is also part of its identity. For the niche audience that appreciates its humor and enjoys relaxed completionist gameplay, it offers an unconventional collecting experience with enough variety to distinguish it from a basic novelty game. Rating: 7/10
看起来是还挺可爱的,玩法就只是偷别人胖次,四个人有不同玩法,感觉点圈最难,按顺序点点第二,开宝箱和计算差不多简单。跳的副任务也很无聊。总而言之就是很无聊,很难让人有持续玩和收集的欲望,解锁各个东西也很难。
Too much microtransactions; you earn so little in game and everything is so expensive, that you'll have to play for days to get anything, without paying. The game is also either buggy or something, because sometimes progress doesn't save and is reset back. Perhaps it silently failed to sync with the server. The game is also too repetitive to be worth trying to get anything for free, and at that point it's not worth paying either. I would honsetly prefer to pay a single time for the game, without microtransactions, and unlock everything in the game at a reasonable pace, without paying anything more. Accessing all items will cost a total of 219 USD, and that's insane; while you can grind for it, it'll probably take years.
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