AI Mistakes ‘Ikki’ Bamboo Spear Merch for Adult Content, Ad Pulled

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The story

Ikki, a 1985 Famicom game included in a retro game collection released by Sunsoft. An ad image for related merchandise — a soft silicone item shaped like a bamboo spear called “Bamboo Spear Puni-Puni” — was flagged as adult content by an AI review system for social media ads, causing the ad to be pulled. Sunsoft’s official X account reported the situation, sparking discussion online. On 5ch threads, reactions ranged from shock (“What on earth did it mistake this for?”) to nostalgic debates about the game’s quirky mechanics and its reputation as a “kusoge” (notoriously bad game).

Sunsoft’s ad for “squishy tube-shaped merch” pulled over adult-content flag — a limited item you just can’t resist squeezing

Sunsoft’s (SUNSOFT) official X account reported that an ad featuring its “Bamboo Spear Puni-Puni” merchandise was flagged as “adult content.”

Sexualized both in and out of the game… ‘Ikki’s’ bamboo spear merch gets flagged as adult content

Source: news.yahoo.co.jp / Original article here

What people said

6AnonymousOct 17, 2026 01:39
What did it even mistake it for??
7AnonymousOct 17, 2026 01:39
Isn't it weird playing 'Ikki' (meaning a mass 'uprising') solo?
11AnonymousOct 17, 2026 01:40
The amazing part is that someone thought a peasant uprising could even become a game.
People back then really had that kind of spirit.
Writing it in hiragana as 'ikki' instead of kanji was a nice touch too.
We're missing that kind of creative power these days —
now you get gorgeous graphics without even trying hard.
20AnonymousOct 17, 2026 01:46
Re: #11
The creativity is amazing.
And the fact that it still turned into a decently fun game on top of that.
119AnonymousOct 17, 2026 06:45
Re: #11
I'd love to see it remade as a hyper-realistic-graphics FPS.
13AnonymousOct 17, 2026 01:41
So they're calling it a legendary kusoge (notoriously bad game) themselves now, lol
14AnonymousOct 17, 2026 01:42
The review AI sure gets turned on by weird stuff sometimes, huh
16AnonymousOct 17, 2026 01:43
Makes no sense.
Where's the sexual element supposed to be?
17AnonymousOct 17, 2026 01:43
Wasn't 'Ikki' just something they slapped together using leftover circuit boards, lol?
Even so, games themselves were precious back then, so it got accepted anyway.
19AnonymousOct 17, 2026 01:45
So the sickle gets filed as a weapon, but "Butchu-man" (bucchu — a squelchy/spurting sound, loaded with innuendo) gets filed as adult content?!
22AnonymousOct 17, 2026 01:46
It's because they slapped "puni-puni" (squishy-squishy) on the name, lol.
Give me a break, you dumb AI.
I kinda laughed though.
23AnonymousOct 17, 2026 01:48
The thing where powering up to the sickle actually makes it harder.
Sticking with just the bamboo spear is apparently easier.
36AnonymousOct 17, 2026 02:06
Re: #23
Isn't it the other way around? The early-game sickle should be easier to use.
133AnonymousOct 17, 2026 07:07
Re: #23
Obviously never played it.
Sounds like half-baked knowledge picked up off the internet or something.
26AnonymousOct 17, 2026 01:51
Why adult content though?
I could at least understand it if they'd flagged it for evoking Japanese WWII-era militarism.
35AnonymousOct 17, 2026 02:05
Re: #26
Probably because it reminds people of a Viet Cong booby trap.
47AnonymousOct 17, 2026 02:20
If 'Ikki' counts as a kusoge, there'd be way too many kusoge out there.
A real kusoge is something on par with or worse than Bungeling Bay.
109AnonymousOct 17, 2026 06:12
Re: #47
The Famicom games I actually thought were trash were Bungeling Bay and Takeshi's Challenge, honestly.
Ikki was still fun since you could play co-op too.
54AnonymousOct 17, 2026 02:25

Which one's the real legendary kusoge?
63AnonymousOct 17, 2026 02:48
Re: #54
lmao
One second after starting, lol
82AnonymousOct 17, 2026 04:25
Re: #54
The enemy bullets are only 1 pixel, so they just blend right into the background.
59AnonymousOct 17, 2026 02:45
It's actually a good game.
88AnonymousOct 17, 2026 05:07
Those old tabletop Space Invaders cabinets were fun.
Wonder if there's anywhere left to play one.
89AnonymousOct 17, 2026 05:12
Re: #88
You can play an equivalent game on Switch, but…
there's a slim chance an actual tabletop cabinet might still be hanging around near some university.
94AnonymousOct 17, 2026 05:29
Re: #88
The Amano Game Museum in Nishio City has a tabletop cabinet.
The director passed away this year though, and it seems volunteers are running the place now, so check the opening hours before you go.
106AnonymousOct 17, 2026 06:04
I bought a 10-inch monitor just for retro games.
Somehow it just doesn't feel right on a big screen.
114AnonymousOct 17, 2026 06:30
Re: #106
It's less about the size — with an LCD the resolution gets too clean, which gives it a strong "this isn't it" feeling.
123AnonymousOct 17, 2026 06:53
Blame the nicotine cat, nya~

129AnonymousOct 17, 2026 07:04
https://shinshoga-museum.com/contents/wp-content/uploads/2016/03/image_1-1.jpg

Hmm… safe.

Background and Key Points

‘Ikki’ is a Famicom game released by Sunsoft in 1985, often described as a “legendary kusoge” (notoriously bad game) due to quirks like being able to take down your own co-op partner with friendly fire. The bamboo spear is the protagonist’s starting weapon, which upgrades to a sickle as you progress. This time, the topic blew up because a promotional image for soft silicone merchandise shaped like that bamboo spear was flagged as adult content by an ad platform’s AI review system, halting its distribution. There have been repeated reports of AI ad-review systems mistaking soft, elongated items for sexual products, and this looks like another case of that. The thread ranged from simple questions like “what did it mistake this for?” to nostalgic debates about the game’s own mechanics — though it’s worth noting the technical reason behind the misjudgment itself remains speculative and isn’t confirmed anywhere in the article.

※This article is compiled as an excerpt/summary of the 5ch (Geinou/Sports News+) thread “[Game] Retro game collection released, but bamboo spear merch from included title ‘Ikki’ gets flagged as adult content — ad also halted.”

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