Welcome to Junk Jack 3.1! This patch adds Uber Mobs, powerful monsters that can be summoned by destroying Altars in each world. Defeat them and gather unique powerful equip and weapon sets! We have also improved combat hit detection, added new treasures such as weapons, pocket pets, new essence swords and revamped trinkets! Worlds are more varied now with new rare biomes with chests and everything has also been fine tuned once again. You will also find Totem pieces in all the planets which can be assembled to form a huge totem tower! Many other features and fixes have been added too. Check out the changelog below!
The image shows some of the full armor sets and weapons obtainable by killing Uber Mobs! Remember to generate new worlds or you won't find Altars.

• combat hit detection has been improved!
• revamped swing and hit sounds
• experimental: now you will be able use portals in multiplayer!
• tweaked weapon animations
• each planet will now spawn Altars: destroy them to summon powerful Uber Mobs!
• collect 12 new unique looking armor sets which are dropped from Uber Mobs!
• collect 12 new unique and powerful weapons which are dropped from Uber Mobs!
• 30 new rate pocket pets!
• totems have been added! Collect and assemble totems from all the planets
• some rare treasures became pocket pets
• some rare treasures now became fancy weapons
• new essences treasure graphics
• revamped ethereal essence trinkets with improved stats
• craft ethereal swords by forging them with precious metals and essences
• every planet surface will now have rare biomes with chests from the nearest planets!
• new rare chests have been added on all planet surfaces
• pocket pets icons are now integrated in the inventory just like encrusted weapons
• tweaked gem variety and density on all worlds
• tweaked mob spawning algorithm and max mob quantity
• slight tweaks to ore distributions
• added missing colored goo to craft equivalence
• added some crafts to default available crafts
• tweaked some mobs health values
• some loot table tweaks
• zombies and skeletons will now wear various helmets!
• added generic songs to all planets
• tweaked music vs ambient sound occurrence
• revamped campfire graphics
• improved terra surface variety with new biomes
• added trap chest to all planets
• fixed various reported graphical issues
• small graphical tweaks
• various bug fixes