Battery Check is a freeware platformer game that was part of a campaign done in the Netherlands in 1998 (and made freeware in 2007) by Stibat, to promote recycling batteries. If you handed in 15 empty batteries at one of Stibat's collection points, you'd get this game on cd-rom. If you then beat the game, a phrase would appear on-screen that you could then write down and send in to them, and you would win prizes that ranged from battery chargers to Packard Bell Multimedia PCs. The campaign was so effective that they didn't have enough cd-roms for everyone.
It can be beaten in 20 minutes, but figuring out how to get around may take more than an hour.
It is not too fast-paced or action-y. There is only very rarely an immediate threat, and the few enemies there are can't be killed. Not even the boss at the end (there is a boss, btw) is likely to kill you, as you can heal an infinite amount of times at any moment there. The main threat you'll face is the existence of your energy bar. It starts going downward when you run and jump around. As it depletes, you'll begin to move slower, and when it reaches zero, you'll die.
Instead, the game focuses on a particular gimmick, which is - you guessed it - the use of batteries. Every machine in the game that can be interacted with - elevators, floating umbrellas, whatever - runs on batteries, which you have to provide. There is a finite amount of batteries in the game, which are scattered throughout the level like some kind of coins. You'll also get the empty batteries that were already in place, which you can then, to no one's surprise, recycle. Giving three empty batteries to Freddy the generic dragon mascot guy will get you one full battery.
You'll also see a few blue batteries with an S on them. Those are super batteries. You will need those, so try to collect as much of them as you can.Download (The official download page is now nonexistent, hence the Digiex.)
Arrow keys = move
Ctrl = jump, respawn
Space = place battery, press button that hurts endgame boss
Esc = pause menu
Pause/Break = pause game without menu
Enter = select menu item
Recycling batteries happens automatically and there's nothing you can do about it.
(There's also a Let's Play
here if you prefer that)
Main menu
Nieuw Spel = New Game
Spel Laden = Load Game
Stoppen = Quit
Pause menu
Spel Bewaren = Save Game
Spel Laden = Load Game
Spel Stoppen = Quit Game
Annuleren = Cancel
Loading screens
Denk aan de superbatterijen! = Don't forget the super batteries!
Laat je niet sucken! = Don't let yourself get sucked! (referring to the only "real" enemy, the Energy-Sucker)
Kijk uit voor de ballen van de baas! = Watch out for the boss's balls! (Yes. That's what it says.)
Contest-winning phrase
Laat lege batterijen niet liggen = Don't leave empty batteries lying around
Also, fun fact: This game uses the same engine as Jazz Jackrabbit 2. Therefore, certain JJ2 level editors (like the one mentioned in the Digiex page) can potentially be used to make Battery Check levels.