Introduction:

Check out our team's latest achievements using the Unreal Engine Fortnite editor. Immerse yourself in the ultimate shooter crossover experience. Collaborate with friends or form alliances with new comrades to strategize planting bombs, holding positions, and defusing threats before they detonate. FortFuse presents a tailored encounter playable within Fortnite, infusing a Counter-Strike-like ambiance into the world of Fortnite.

Game Design and Mechanics:

1. Craft a multiplayer shooter game fusing the gameplay essence of Counter-Strike and Fortnite.
2. Support teams of 3 to 5 players, ensuring an equal player count for each match, all striving to fulfill objectives and eliminate the opposing team.
3. Enforce a round-based structure, where there are no respawns and each round spans up to two minutes.
4. Design game objectives around planting, defending, and defusing bombs while simultaneously vanquishing the enemy squad.

Map and Environment:

1. Forge a meticulously detailed map with a distinctive layout and challenges.
2. Leverage shaders and realistic lighting to instill an authentic atmosphere, setting it apart from Fortnite's characteristic visual style.
3. Craft a harmonious blend of indoor and outdoor settings within the map's expanse.
4. Integrate dedicated zones within the map for planting, defusing, and interacting with bombs.

Store System:

1. Introduce a store system enabling players to procure weapons, equipment, and armor at the commencement of each round.
2. Allocate in-game currency based on players' prior performance and additional rewards for dispatching foes and accomplishing objectives.
3. Furnish an extensive array of weaponry, equipment, and armor, each with varying costs, demanding players to exercise prudent resource allocation.

Weapons and Equipment:

1. Engineer a diverse assortment of weapons, each exhibiting distinctive strengths and vulnerabilities, encompassing assault rifles, sniper rifles, shotguns, and handguns.
2. Construct an array of equipment alternatives, from grenades and flashbangs to smoke bombs, each endowed with unique tactical applications.
3. Devise armor alternatives to mitigate inflicted damage from enemy encounters.

Currency Management:

1. Establish an intricate currency management mechanism, compelling players to tactically manage acquisitions and anticipate forthcoming earnings based on their performance.
2. Harmonize the store system to contribute seamlessly to overall strategy and player customization.

Round Rewards:

1. Bestow victorious teams with monetary rewards and other incentives subsequent to each round's culmination.
2. Empower the use of acquired rewards to secure improved weaponry and equipment for forthcoming rounds.

Quality Assurance and Testing:

1. Conduct comprehensive testing to ensure equilibrium, impartiality, and entertainment value in the game.
2. Address and rectify any identified bugs or glitches during testing, assuring a polished and gratifying gaming encounter.