Copy plugin into ur0:/tai/
Add the following to the ur0:/tai/config.txt
#Alien Shooter DLC unlocker
#Uncomment appropriate TitleID section
#*PCSB00561 #Europe
*PCSE00445 #USA
ur0:tai/alienhook.suprx
You need to run the game atleast once with plugin for DLCs to unlock.
This can probably work with other games that have DLC data bundled and just unlocked with purchase.
- Yoti for requesting that.