In Rayman Legends, the game’s structure provides a nuanced difficulty progression through various gameplay challenges, catering to a wide audience from casual to expert players. Here’s a comprehensive breakdown of these difficulty tiers:

1. Basic Completion
The simplest form of gameplay involves merely finishing a level. Players need to reach the endpoint of a stage to clear it, which serves as an introduction to the game mechanics without imposing significant challenges. This mode of play is ideal for beginners or those seeking a more relaxed experience.

2. Secret Doors
As players become more familiar with the game, they encounter secret doors within levels that lead to additional Electoons. Finding these doors requires exploration and a certain level of skill, making this phase slightly more challenging than basic completion. This tier encourages players to engage more deeply with the environment and mechanics, adding an extra layer of complexity to the gameplay.

3. Time Trial Challenge
For those seeking a test of speed and precision, the Time Trial Challenge offers a significant step up in difficulty. In this mode, players must complete the level within a set time limit after slapping the clock. Mastering this challenge demands not only skillful navigation but also an understanding of level layouts to optimize timing, making it a more formidable task.

4. Collecting Lums and Skulls
This tier represents the most difficult experiences within individual levels. Players are challenged to collect the maximum number of Lums, including King Lums, and skull coins to achieve specific thresholds that unlock more Electoons. This demands comprehensive knowledge of each level and sharp gameplay skills, reflecting a traditional arcade experience where players must strive for perfection in order to succeed.

Multiplayer Dynamics
Multiplayer challenges can adjust the difficulty perception since only one character needs to stay alive for progress. This aspect introduces cooperative gameplay, allowing players to revive one another and potentially easing the difficulty compared to solo challenges. This mechanic shifts the focus from individual skill to teamwork, providing a distinct and often more approachable experience.

Competitive Challenges
For players seeking an elite level of challenge, online and competitive challenges intensify the difficulty significantly. Competing for leaderboard placements, particularly in Diamond Cups, requires exceptional gameplay and can rate as high as an 8 or 9 out of 10 on the difficulty scale due to the necessity of flawless execution and skillful strategies. This tier is tailored for dedicated players aiming for trophy completion and mastery of the game.

Conclusion
While Rayman Legends does not explicitly categorize these challenges into named difficulty tiers, the game effectively conveys an organic progression from accessible to highly demanding gameplay styles. Each tier not only encourages skill development but also promotes a rewarding experience that can cater to various player preferences. With a focus on precision, exploration, and cooperation, the game’s design supports a spectrum of challenge levels, engaging players at all skill tiers and encouraging continuous improvement.