[sporzem]

Ai Ga Tomaranai- chapter 31, game similar to chicken, where to win you need to read allowed a message written on the inside of the oppenents swimsuit. One girl ends up bottomless.
Ai Kome - Volume 2, Strip rock paper scissors game, one girl topless/panties, another girl ends up without panties but with skirt
Angel - Chapter 26, a "perverted race" which leaves a number of girls naked
AV Retsuden - Volume 3, Very brief shot of a guy and girl playing strip rock paper scissors, she is topless
Bakekano - ch6 strip mahjong, 1 girl ends up naked, 1 topless, one bra/panties
Battle Club - Volume 6, strip soba eating contest, girl gets naked
Be Free - Volume 8, brief shot of a girl losing her bra in a strip rock paper scissors game
Bouken Shitemo Iikoro - Volume 11, strip Rock Paper Scissors game, girl down to bra/panties.
Boys Be 2nd Season Chapter 8- Guy has 5 seconds to unhook a bra, he win, she shows her breasts, one of the girls win, he loses clothing. One of the girls is required to flash her breasts.
Boys Be 2nd Season Volume 9 Extra- strip mahjong, three girls get down to bra and panties
Chokotto Sister- Chapter 52- strip rock paper scissors, one girl ends up naked, another in just panties.
Chou Honkaku Sagishi Misuterii Hook - Strip rock paper scissors. Girl takes off her panties from under her dress before the game is interupted.
Desire Chapter 11- Mixed wrestling where the goal is to get your oppenent bottomless
Desire Chapter 69- Strip golf with a guy and girl, the girl ends up naked
Desire Chapter 145- A woman is hustled into playing pool with her clothing at stake,
Domina no Do - Chapter 17, strip rock paper scissors, one girl naked, the other down to basicly a piece of paper.
Domina no Do - Chapter 30, girl ends up in underwear because of a quiz game
Fudajo! - Otome Shoukan Datsui Taisen - Strip rock paper scissors, multiple girls topless
Futari ni Omakase- 3rd chapter in volume 3, strip rock paper scissors, leads to one girl being topless and in just panties
Gamble Fish 34-36 - Strip Dice game, one girl naked, one girl topless
Gamble Fish 98-99 - Variation of strip poker, ends with 3 girls wearing just panties
Gou-Dere Bishoujo Nagihara Sora - Chapter 18, Strip rock paper scissors, girl ends up topless + panties
Girl's Bravo- Chapter 13. Mahjong game with pentalties involving losing clothes and fetish costumes. Multiple bra/panty shots of the girls.
Girl's Bravo - General - Multiple times through this work, the girls are forced to do some competition/game which has traps that remove clothes
Go! Tenba Cheerleaders- chapter 29, Strip Mahjong game that ends with 2 girls in bra/panties and one topless.
Good Choice U volume 1- Ping pong game where girls play naked and the losers choose penalties out of a box, one girl loses her clothes out the window, another needs to go buy something nude, as well as a number of other forfeits
Good Kiss 2.0 - Volume 5, Kings game, girl in underwear and seen slipping off bra
Harenchi Gakuen- Strip poker scene in one of the earlier volumes. A strip war between the boys and girls of the school that lead the girls naked which might be considered a game because it appears to be a compitition with this goal.
I''s- Chapter 53/54- Kings game, one girl panties, another has her panties taken off by the main guy. Also some girl/girl groping in the game.
I-ka-se-te-!! Bambina - Volume 2, King's Game, girl flashes her boobs
Haru to Natsu- Special chapter, Strip Rock Paper Scissors, 1 girl naked and needs to do aerobic exercises while nude, another topless
Haruka 17- Volume 6, Quick game in progress of strip rock paper scissors, with the girl down to bra/thong
Haruka 17- Volume 6, King's game, one girl has her panties removed by one of the guys.
Hen Vol.1 Ch.005: Strip Rock-Paper-Scissors
Hiiragi Shougakkou Ren'ai Kurabu chapter 12, strip rock paper scissors, 1 girl naked, another topless
Hosoude - Chapter 8 -Strip Rock Paper Scissors game between two girls, both end up topless
The Kabocha Wine- volume 6, strip poker 3 girls and 1 guy, two girls end up in bra/panties.
Kagetora Vol.04 Ch.016: summer competition, where some bikinis are lost through traps.
Kaseijin Keiji - Volume 5, Strip rock paper scissors between two girls on stage in front of a crowd, both end up topless, one starts to take off her panties
Kinzo no Agatte Nanbo - Haven't found scans, but the description for the manga describes it as "including a couple of strip-golf duels."
Kyonyuu Hunter (Left Side) - strip card game, 2 girls naked
Let's Nupu Nupu - vol 7, single image of strip mahjong, one topless, 2 wearing bra
Love Junkies Chapter 40- Strip Karaoke contest, two girls end up in underwear
Love Hina- Chapter 11, Very short strip questions game, girl is seen in shirt/panties
Love Strip- first volume/chapter (original one shot)- A strip quiz for studying practice, girl is down to shirt/panties/bra and then takes off bra, nudity seen through shirt.
Madonna- Volume 4, strip rock paper scissors, 1 girl down to shirt+panties, another topless and skirt but no panties
Magikano Vol.02 Ch.006 sports festival race, some traps remove the clothes they had to change into during the race
Maico 2010 Vol 3- strip mahjong. One girl ends up topless with just panties
Mangaka-san to Assistant-san to - chapter 95, strip rock paper scissors, 2 topless
Miss wizard -Chapter 10- girl ends up topless because of a video game competition
Miyuki-chan in Wonderland- Multiple games in the one volume of this work
Ore no Sora - Volume 2, strip card game, multiple girls end up either bra and panties or just panties
Orette Piyoritan - Volume 3, Strip bowling game with a number of girls topless
Otomari Honey Ch.006 studying, wrong answer loses clothes, she ends up topless and just panties
Papa no Iukoto o Kikinasai! - Rojou Kansatsu Kenkyuu Nisshi - Strip ping pong, multiple girls end up naked
Pastel- volume 10, chapter 65, quick strip rock paper scissors where girl ends up naked with towel
Reinou Tantei Miko- Volume 7 Strip rock paper scissors- One girl ends up topless (other characters in underwear), girl runs out when she should have taken off her panties. Also drinking is involved for losing a round.
Sakura Tsuushin Vol.001 Ch.006: strip rock paper scissors, girl ends up in underwear
Sailor Fuku, Tokidoki Apron - Chapter 12, strip rock paper scissors, one girl naked, one bottomless, couple in underwear
Salaryman Kintaro - Volume 10, Strip rock paper scissors, girl ends up topless/panties
Sanshirou no Jijou - Volume 19, Chicken game in the pool with soluable swimsuits, a number of the girls end up naked, although not that much nudity is seen
Seigi no Tobira- Some gambling game with dice, 2 girls end up topless
Sukeban boy Volume 5 long strip poker scene, girl ends up topless, lost bottoms but the oppenent she was playing was considerate and allowed her to keep them
Super Zugan- Volume 2, strip mahjong, three girls end up in bra/panties
Tanpo- Chapter 23, a group of girls are forced to play some sort of strip rock paper scissors game, multiple girls end up naked or topless
Tennen Kakutou Shoujo Chihiro Chan - This entire manga is basicly stripping because of competitions (especially wrestling).
Tennen Shoujo Man - Volume 11, strip rock paper scissors, girl ends up topless
To Love Ru - chapter 133-135 - Big board game, one girl forced to stand in their underwear, one girl seen in just towel, breasts flashed indirectly because of last event
Toukyou Nanpa Street - Volume 2, Strip Ping Pong, one girl bra + panties, another girl topless
Umisho- Chapter 32/33, bet loser of the race flashes her breasts. Loser does flash her breasts, but the bottom of the winner's swim suit broke first, leaving her bottomless.
Vulgar Ghost Daydream - Volume 7 chapter 2, strip mahjong
Yarukkya Knight- Volume 6 strip poker, one girl ends up topless
Yarukkya Knight- In general, much of this manga is a battle between the guys and gals, often having them lose clothing, so although not strip games per se, it is worth noting (and many competitions in this has characters purposely taking clothes off others.)
ZeroIn - ch30, strip ping pong, one girl bra/panties, other takes off bra from under shirt.
Zokusei- quick rock paper scissors game between a guy and girl to see who is the nude model, she loses