Rescue Rover is a computer puzzle game from id Software, published by Softdisk in 1991. The game was distributed as shareware, with the first 10 levels making up the shareware version, and another 20 levels being present in the registered version. This is one of several games written by id to fulfil their contractual obligation to produce games for Softdisk, where the id founders formerly were employed. A sequel, Rescue Rover 2, soon followed.
Roger and Rover are the names of the 2 main characters. Rover the dog is frequently kidnapped by robots, and it is the player's (Roger the owner) job to enter into robot territory and get him back, hence the name 'Rescue Rover'. Each level starts with Roger climbing up a ladder set into the floor, and the player completes the level by arriving back at this ladder with Rover - at which point Roger climbs down with Rover. Gameplay involves getting Rover out repeatedly in a set of increasingly difficult levels, by moving objects around in a grid to open up a path to get to the dog and then bring it back out. There are four different types of robot in the game, each with different behaviour. One type shoots Roger if he stands in front of it, but doesn't move, another type runs around and shoots Roger if he is seen, another type chases Roger around, and the last type runs around and kills Roger if it runs into him. To get to Rover, the player must normally avoid, trap or destroy them. There are various items which Roger can push around in the world: crates (which float on water), mirror blocks (which reflect lasers at an angle), star pearls and anti-grav carts. Other items in the areas are grated floors (which robots cannot travel on), glowing floors (which Roger cannot travel on), water (including moving water in which crates float with the current), laser projectors, teleporters and force doors (which need an access card in order to be opened).
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4 different online emulators are available for Rescue Rover. These emulators differ not only in the technology they use to emulate old games, but also in support of various game controllers, multiplayer mode, mobile phone touchscreen, emulation speed, absence or presence of embedded ads and in many other parameters. For
maximum gaming enjoyment, it's important to choose the right emulator, because on each PC and in different Internet browsers, the individual emulators behave differently. The basic
features of each emulator available for this game Rescue Rover are summarized in the following table: