I found out today that this game was dumped a few days ago. To be precise, the dumped version is Zook Man ZX4, the Taiwanese release. So I decided to test it out for a few hours today.
It's the third and final game of the Zook series by bootleg developers Vast Fame, and the only one to be on GBA instead of GBC.
Compared to the previous
two games, this game is a lot less subtle about its 'inspiration' of classic Mega Man games, as several bosses, enemies, and level graphics are clearly ripped or edited from official Mega Man games (including Mega Man 7, Mega Man & Bass, and Mega Man Zero).
It also has a new engine, which doesn't allow the air-sliding/stalling trick that broke the previous two games apart in their TASes. In general I haven't found any game-shattering movement tricks yet, after a few hours of testing. I did find a trick to clip through two-block tall ceilings while wall jumping, which does speed up a few stages with vertical sections.
The game has an intro stage, then 8 boss stages, followed by a final stage. The final stage consists just of a linear boss rush with short revisits to the 8 boss stages (with a lot more enemies). There is no true final boss - the game just ends after beating the last boss from the boss rush. Unlike the previous two games, only the 8 bosses need to be defeated to access the final stage. Collecting all upgrades is not needed.
Since there are no canonical boss names that I know of, I identify them by the type of stage they reside in (from left to right, top to bottom): Factory, Sky, Volcano, Ocean, Space, Forest, Castle, Broadcast.
There are four upgrades in this game:
- Head Upgrade, in the Space Stage. This allows Zook to exit any stage at any time. Most likely useless.
- Body Upgrade, in the Forest Stage. Doesn't seem to do anything. Also useless.
- Leg Upgrade, in the Castle Stage. This allows Zook to dash, although only with double tap (left-left or right-right) input. Dash jumping doesn't work, but it still speeds Zook up by a fair amount on the ground. Probably high priority.
- Arm Upgrade: I haven't actually been able to find this, although it's claimed to be in the Factory stage. Probably allows charging weapons to do more damage, so probably this will be very useful.
Some other notes:
- For reference, there's an old playthrough of Rockman & Crystal on YouTube, although it is incomplete (missing the final stage and arm upgrade).
- I haven't been able to spot any boss weaknesses so far. Maybe I need closer testing, but it seems like there are no boss weaknesses.
- Since I don't have enough data about boss weaknesses yet, nor where the arm upgrade is or what it exactly does, I don't have a route yet.
- Every hit in the game does 1 damage to Zook (out of a lifebar of 8), including spikes. The only instant kills are bottomless pits, or getting crushed on the left side of the screen in an autoscroller stage (Sky or Ocean stages)
- In the final stage, the bosses/stages are met in this order: Factory, Sky, Volcano, Ocean, Space, Forest, Castle, Broadcast.
- This game does not currently run in BizHawk (1.11.6) or VBA-rr. It only runs in mGBA builds from 2016-06-26 or later. Therefore, it cannot be TASed yet until the mGBA core in BizHawk is updated.
Wiki: GameResources/GBx/ZookManZX4