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Games published by QuelleSoft

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Climb-It

Climb-It is based on the arcade game Donkey Kong. As in the original game, the player controls a young man trying to rescue his girlfriend from a giant gorilla. The game consists of three different screens, and the goal in each screen is simply to get to the top. The levels are only loosely based on the original game. They consist of platforms, stairs and elevators to help the player climb. There are various hazards along the way, such as rolling barrels and invisible fireballs to jump over or avoid; there is no hammer to destroy them as in Donkey Kong. Items can be collected along the way for bonus points. Unlike other versions, you never see the villainous gorilla.

Gogo the Ghost

In this arcade action game you guide a sweet little ghost named Gogo through 150 chambers of an enchanted castle. Collect items and avoid contact with evil forces to master your mission: Free the princess of your dreams. You will receive level codes to be able to start a new game from the point you reached last time.

Helikopter-Jagd

Helikopter-Jagd appeared for the Commodore 64 in 1986, arriving at a time when arcade-style action was thriving on home computers. The game leans into a simple premise with sharp execution: you are tasked with tracking a helicopter moving across the screen while making every shot count. German releases from that era often favored direct objectives, and this one follows that philosophy closely, offering an immediacy that keeps players from lingering in menus or tutorials. In play, the core tension comes from timing and positioning. Your position must align with the target as it shifts direction and speed, so reaction time becomes as important as aim. Obstacles and motion patterns gradually raise the pressure, nudging you from casual testing into concentrated control. The challenge is not only about landing hits, but also about maintaining rhythm while the action refuses to pause. Each attempt feels like a short, intense burst rather than a long drawn-out campaign. Visually, the C64 presentation is serviceable and energetic. Sprites stand out against the scrolling or shifting background, with movement that reads clearly even when your eyes are busy managing the next shot. Animation is kept efficient, using the machine’s strengths to keep the helicopter readable and the player feedback immediate. The overall look suggests arcade roots: fewer decorative elements, more emphasis on clarity, contrast, and motion that communicates danger without confusion. Audio support complements that approach. Sound effects mark successful or near-miss events, helping you build an internal sense of timing even during hectic moments. The music is restrained rather than symphonic, but it works as a steady companion while you focus on survival. Coupled with responsive controls, the presentation encourages repeated plays, because you can tell quickly when your improvement is genuine. Although it never became a household name on the scale of blockbuster releases, Helikopter-Jagd remains a representative snapshot of mid-1980s Commodore 64 design: straightforward mechanics, crisp challenge, and practical audiovisual feedback. Players who enjoy twitchy, goal-driven titles often come back to it for the same reason they replay classics of the platform, the satisfying loop of sight, shot, adjustment, and escalation. For a machine known for variety, this game highlights how effectiveness sometimes matters more than spectacle.

Secret of Kandar

In this side-screen arcade adventure, for unknown reasons you have to enter and explore a castle to find a secret object. You start outside the castle with a banner and a dagger and must get a key and enter through the main door. Once inside each screen is divided into two floors with stairs connecting the different levels with doors to enter where you have to find the right keys. You can only carry two items at a time and the items are picked up and dropped in the correct places. There are several moving bugs and obstacles to avoid, as touching them causes you to lose one of your three lives and return to the outside of the castle. If you hold down the fire button and press it, a status screen will appear showing objects transported, locations visited, score and number of lives. The joystick is used to control your hero.
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