Attention, gamers: if you thought new titles on top of the endless cavalcade of sequels and remakes were derivative now, wait till you hear about what the game engine maker Unity has got in store.

The internet is losing its mind at the price, but Razer's 20th-anniversary reboot of its legendary Boomslang mouse is collector candy for retro-tech lovers with deep, deep pockets. I got my hands on ...