Pokemon Ultra Moon Update 1.2 -
Pokémon Ultra Moon , released for the Nintendo 3DS in November 2017, received its final significant patch, Version 1.2, in April 2018. This paper examines the update’s technical and gameplay modifications, including bug fixes, online functionality changes, and the removal of unintended game mechanics. It argues that Update 1.2 primarily served to enforce competitive balance and patch exploit-based glitches rather than add new content, reflecting Nintendo and The Pokémon Company’s post-launch strategy for the 3DS era.
[Generated for analytical purposes] Date: April 14, 2026
The update fixed a bug where rental Pokémon in the Battle Agency (a Festival Plaza facility) would retain illegal movesets or abilities from previous players’ save data. This stabilized online co-op battles. pokemon ultra moon update 1.2
Post-Launch Iteration in Pokémon Ultra Moon: A Case Study of Update 1.2
Unlike modern Nintendo Switch titles that receive extensive downloadable content (DLC), main-series Pokémon games on the 3DS relied on free patches to correct critical errors and adjust online features. Pokémon Ultra Moon and its counterpart Ultra Sun reached Version 1.2 on April 4, 2018. This update came five months after the game’s release and preceded the Pokémon Sword and Shield announcement. Pokémon Ultra Moon , released for the Nintendo
The most notorious exploit resolved in 1.2 was the “Poke Pelago egg duplication glitch.” Previously, players could manipulate the Isle Avue hot spring to clone Pokémon eggs, allowing unlimited legendary or shiny Pokémon. The patch permanently corrected the memory handling error, making duplication impossible.
Version 1.2 silently patched a GTS text-injection vulnerability that allowed malicious users to crash others’ games by sending custom nickname strings. This was a critical security fix. [Generated for analytical purposes] Date: April 14, 2026
The update enforced the official Video Game Championships (VGC) 2018 rule set, automatically restricting banned Mega Stones (e.g., Kangaskhanite, Gengarite) and Z-Crystals in ranked battles. It did not, however, add new Pokémon forms or moves.
