BTOOOM!
Oshimeter
Synopsis
Meet Ryōta Sakamoto: a 22-year-old unemployed guy living with his mom whose biggest life achievement is being Japan's number one player of an online bombing game called Btooom. Then he wakes up on a tropical island with a crystal in his hand, a bag of bombs, and zero memory of how he got there. Turns out someone decided to make the game real, and the only way off the island is to kill seven other players and collect their crystals. So now his gaming skills are the only thing keeping him alive. This is a 12-episode TV series from Madhouse, and the animation quality shows: the bomb-based combat is genuinely creative, with different types of BIMs (the in-game explosives) requiring actual tactical thinking rather than just brute force. Ryōta isn't some overpowered protagonist either. He's smart but physically average, and the show forces him to confront whether he can actually take a life when the respawn screen isn't coming. The tone is dark and psychological, leaning hard into the survival-game genre. Characters have ugly backstories and uglier motivations, and the series doesn't shy away from showing how desperate people get. If you liked Mirai Nikki or Deadman Wonderland, this scratches a similar itch, ordinary people thrown into deadly games with twisted rules. Fans of Sword Art Online's trapped-in-a-game premise might dig this too, though Btooom trades the fantasy setting for something way grimmer and more grounded. Fair warning: it's seinen for a reason, and it earns that gore tag.
Episode Guide
Characters
Ryouta Sakamoto
Top-ranked Btooom! player Ryouta Sakamoto is unexpectedly thrust into a deadly real-life game.
Galindo Tyler
Himiko
Himiko is a cunning and skilled Btooom! player, known for her manipulative tactics and deadly aim.
Karbowski Brittney
MANGA BRIDGE
This season covers Chapters 1-50 of the manga. Continue reading from Chapter 51.

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I really enjoyed how strategy and paranoia start taking over here. The survival game feels smarter, and watching Ryouta navigate both danger and human unpredictability keeps this episode seriously engaging.
This episode really nails the tension of survival while showing how hard trust can be in such a brutal situation. Ryouta’s choices feel meaningful, and the emotional uncertainty keeps things gripping.
Himiko’s arrival adds a lot more emotional intrigue, and I really liked the mystery around her. This episode balances danger with growing human connection really well.
taira sacrificing himself to his karma was so incredibly sad. im just relieved they didn't force an awkward romantic scene at the end. the lack of real closure is frustrating, but it was an emotional ride overall.
shiki is such an amazing character, i am really hoping she survives this. finding out her deep backstory with that awful doctor was so sad. he is an absolute pig and she deserves her revenge.
it's so heartbreaking knowing that taira is probably going to die soon. that doctor is incredibly two-faced, and it makes me so angry that sakamoto is completely failing to see through his fake kindness.
a more emotional ep, the main chara is still a loser if ur wondering
this show has definitely become a guilty pleasure for me. the emotional beats in this episode were nice, but it is so naive how quickly these characters start trusting everyone they run into on the island.
i was genuinely so terrified watching this episode! the confirmation that there are people actually watching them play this sick game makes the whole island setting feel so much more oppressive and scary.
taira is honestly the only bearable character in this entire show so far. he just seems like a genuinely solid guy. i am glad sakamoto showed a tiny bit of decency towards the end, but he still frustrates me.
the animation is doing a really good job at building the tension this episode. however, the main character's thoughts and actions are genuinely so off-putting and disgusting to me.
the backstories for the side characters have actually been surprisingly strong so far! this show is definitely a hidden gem in terms of the psychological themes, but the ending video with the high school girl makes me a little bit (very) uncomfortable.
it is starting to get a little bit more interesting now that the buildup is being explained. being trapped on an isolated island with no resources is a scary premise, even if the animation is lacking. i still don't like the main character though.
this episode was just so disturbing and uncomfortable to watch. they really need to put a heavy trigger warning on this kind of content, i was making the worst face the entire time.
the mc is so frustrating to watch, it's hard to root for a main character who lacks this much basic logic in a survival situation.
an incredibly abrupt, open-ended conclusion that serves primarily as a manga advertisement. despite early world-building promise, the reliance on absurdities like the komodo dragons and melodramatic sacrifices severely hindered the finale.
expanding on the history between the doctor and shiki adds necessary depth to the current conflict. however, animating the bomb physically deflecting off her anatomy was a completely absurd and unnecessary choice.
Action-packed ep, after a slower start it began to exceed expectations
a highly flawed but entertaining installment. the power scaling is entirely broken by the protagonist's massive plot armor; a secluded gamer surviving these physical encounters defies all established logic.
confirming the existence of an external viewing audience solidifies the battle royale homage, expanding the scope of the conspiracy. however, aggressively pushing a romantic subplot involving a high school student is distasteful.
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BTOOOM!
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