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BKZ Guide — Build and Kill Zombies Guide

The Build and Kill Zombies Hacker event

Roblox’s event listing closed Hacker Part 2 at 19 September 2026, 15:00 UTC. The listing is only a schedule entry, though, and two readings do not line up with it: a timer inside the game, and how often the boss kept being beaten.

The Hacker event shop panel with a countdown in its header, seen in an Update 2.5 recording

The event shop panel, headed EVENTO DE HACKER, with a timer in its title bar reading Ends: 3d 12h 46m 21s. The stock and prices are the ones on the event page, from 250 up to 11.0K.

Frame at 1:00 of 7 CÓDIGOS + ATUALIZAÇÃO 2.5! 🔥 RARIDADE DIVINA | Build and Kill Zombies, recorded by BloxksReal — a player’s video, not an official image

Two clocks, and they disagree

The shop still had a timer

The frame beside the title is from a recording of Update 2.5, and the shop’s title bar in it reads Ends: 3d 12h 46m 21s. We do not know when it was recorded, but it shows Update 2.5 content, and Roblox’s own last-updated stamp for the game moved to a time after the listing closed, which we take to be when that update went live. So the timer was read after the close and still had three and a half days on it. The narrator says three days of the event are left and that nothing in the shop has a purchase limit. Those are his claims; the frame proves the timer, not the limit.

The boss kept dying

Roblox’s badge for beating the boss is only awarded when someone does. In our daily snapshots the count added in the previous 24 hours looked like this, and the last bar is the first one taken after the listing closed:

  • Snapshot 1 39,450
  • Snapshot 2 48,668
  • Snapshot 3 59,065
  • Snapshot 4 after close112,996
  • Snapshot 5 after close111,141
  • Snapshot 6 after close66,409
  • Snapshot 7 after close66,733
  • Snapshot 8 after close76,056
  • Snapshot 9 after close78,656
  • Snapshot 10 after close119,886
  • Snapshot 11 after close120,305

More players arrived across those days, so read the shape, not the ratio. How the boss fight works.

None of this is the developer saying when the shop really closes, and we have not found that on any Roblox surface. If you are deciding whether to spend an hour on tokens, open the shop in your own copy of the game and read the timer there.

What the tokens buy

Seven items, priced in Hacker Tokens. Two separate recordings show a boss kill paying 2,000, so each price also shows how many of those payouts it takes from zero. A second recording made a week later shows the same seven items at the same prices, so the stock looks fixed. Yours could still differ.

The HACKER EVENT shop panel with seven items and their prices

The HACKER EVENT shop: Hacker Bumper 250, Hacker Wheel 500, Hacker Fuel 1.25K, Hacker Engine 2.50K, Error Laser 6.75K, Glitchy Turbo 8.90K, and Electro Glitch 11.0K in the large tile marked DEADLY LASER. Side tabs read Event Shop, Quests and Tokens.

Frame at 10:50 of I Built the STRONGEST CAR to SURVIVE.., recorded by Default — a player’s video, not an official image

  • Hacker Bumper

    250

    1 boss payout

  • Hacker Wheel

    500

    1 boss payout

  • Hacker Fuel

    1,250

    1 boss payout

  • Hacker Engine

    2,500

    2 boss payouts

  • Error Laser

    6,750

    4 boss payouts

  • Glitchy Turbo

    8,900

    5 boss payouts

  • Electro Glitch

    The large tile in the shop, tagged DEADLY LASER.

    11,000

    6 boss payouts

Where tokens come from

Two token sources are on film, and one boss kill outweighs a whole week of tasks. The tasks reset weekly; the boss comes round about once an hour. One of the tasks is joining five boss battles, so the two feed each other, and “roll 100 times” is the game confirming that rolling is a repeatable action rather than a one-off.

One boss kill2,000
Every weekly task, done1,900
  • Crush 500 zombies500
  • Drive 20,000 studs500
  • Roll 100 times400
  • Join 5 boss battles500

What it contains

The event added a boss fight. Roblox’s badge for finishing it is called You defeated the King 1x1x1x1 and its description reads “You defeated the Hacker Event Great Boss! Well done..”, so the boss and the event are one addition, not two. How many players have actually beaten it.

Two of the older codes are named after the event and its boss, and three of the newer ones carry Hacker names too, one of them paying 2,500 tokens according to one publisher and expired according to another. None of the reviewed recordings of them being typed in shows a success message. Whether the boss outlives the event is still not stated by the developer on any Roblox surface checked, though the badge counts above say players were beating it after the listing closed.

Events in our daily snapshots

  • ⚡???⚡
  • ⛈️UPDATE 3⚡
  • ADMIN ABUSE
  • NEW UPDATE 2.5!
  • HACKER PART 2 👾
  • ???
  • UPDATE v1🔥

Finished events drop off Roblox’s listing, so older ones only survive in the update log. The other recurring slot is Admin Abuse, which the developer labels as weekly. Two more events have run since this one closed: Update 2.5, and now the Zeus event.