The entire world is at risk as the tentacled creatures flood through the portal, with only Niko and his new friends to stand in their way! But the monsters aren't the only things coming through…Niko and...

When Niko and his friends go on a school trip to the Science Museum, they find more than anyone expected when they sneak into the closed Physics wing. A bizarre creature needs Niko's help, sending him...

The adventure continues for Niko and his friends as they face the invasion of the portal pets! With the gateway open and Bob's army rushing through, Niko must be ready for battle. Teaming up with his...

A forged mask that communicates with the dead, a cable repairman called to investigate an empty field...or so he thinks, a father-son DIY project not quite working as intended, an excavation going horribly...