How to Get Boss Bot Cores in Super Bot Brawl: Which Bosses Drop Them

For a sense of pacing, one solo Hard Mode clear reached boss fights at roughly 7:27, 14:09 and 23:53, about every 7 to 10 minutes (UTTM Prime The Void Destroyer, 28 August 2026, video 2nWatIBIfpo, creator's pinned comment). One player's comment claims "Hard mode is better than endless if your trying to get boss bot cores" (HumbugDaVenom, comment on DigitizedPixels video 1eU9ExqyZ6M), but this is one player's opinion, not a cross-checked fact.

Public servers have a catch, according to players: stronger characters take the kill. One comment says "As soon as I join a server with builder builder bot 2.0 the kill gets stolen" (lucas2o13-g4u, comment on DigitizedPixels video kEkZIlKwcnQ). Kill credit may also need real damage: one player says a Mastery quest kill "didn't count because everytime the bomb titan and sword titan always kill it and I don't have the chance to do 10% of his hp" (Trollman702, comment on Determination video oc2dux-euJ8). That comment is about quest credit, not the core drop, and it is one account. The developer's description recommends playing in private servers: "Playing in private servers is highly recommended." This may reduce competition, though no footage measures the effect on core drop rates.

Builder Bot can be soloed: one presenter does it on camera, "I am essentially soloing the Builder Bot by myself", and warns "he's using his bots as meat shields". He clears the smaller bots first: "I want to wipe all these guys out and then just show you how quickly I can maybe melt the Builder Bot". His advice on speed: "So, speed potions really help a lot, okay? They help tremendously" (DigitizedPixels, 2 September 2026, video Ws4wm9kHfV0).

Builder Bot 2.0 is a name seen only in comments, never in a video's narration. Asked what wave it spawns on, one commenter replied "35 in hard mode" (leyonyldrm335, comment on MR XPHUNTER video ZYrcIZLUBg4), and another claims "ak 47 alone can solo builderbot 2.0" (julianaenriquez6091, comment on THIS ONE NOOB video M4J_SKKlwDc). For Cerberus, one player says the pistol and AK-47 were enough: "I could beat a Cerberus bot without touching anything and only those to togheter with the katana artifact" (HumbugDaVenom, comment on DigitizedPixels video Ws4wm9kHfV0). Each of these is one player's report.

The Secret Noob earns no race XP but can still farm Boss Bot Core, according to the presenter who showcased it: "if you want to play as him, you will not be gaining any XP for any of the races", but "you can grind money and boss uh boss cores, essentially" (DigitizedPixels, 2 September 2026, video Ws4wm9kHfV0). The Builder Bot solo described above was filmed in the same video.