Sega Making a Shadow & Silver Skyrim-Style Game? No Evidence
No. There are no announcements, leaks, or credible rumors of Sega developing a Skyrim-style open-world RPG starring Shadow the Hedgehog and Silver the Hedgehog.
Why This Is Extremely Unlikely
IP ownership: Sonic Team / Sega owns Shadow & Silver. The Elder Scrolls V: Skyrim is Bethesda Game Studios / ZeniMax / Microsoft. Cross-company AAA collaboration of this scale is virtually unprecedented.
Genre mismatch: Sonic games = speed, momentum, linear/reflex platforming. Skyrim = slow exploration, deep RPG systems, first-person immersion, modding. Merging them would alienate both fanbases.
Character fit: Shadow (anti-hero, guns, vehicles, chaos powers) and Silver (telekinesis, time travel, naive) don't map to Skyrim's Dragonborn / Nord / magic / shouts framework.
Sega's strategy: Recent Sonic games (Frontiers, Superstars, Dream Team) explore open zones / classic 2D — not Bethesda-style RPGs.
Microsoft/Bethesda: Post-acquisition, Bethesda focuses on Starfield, TES VI, Fallout 5. Licensing Skyrim engine to Sega for a Sonic spin-off makes zero business sense.
What Does Exist
Sonic Frontiers (2022): Open-zone structure, Cyber Space levels, skill tree, fishing, story focus. Closest Sonic gets to "open world."
Shadow the Hedgehog (2005): Third-person shooter/platformer with branching paths, guns, vehicles. Divisive but unique.
Silver playable:Sonic '06 (campaign), Sonic Rivals 1/2, Sonic Generations (rival), Forces (DLC), Frontiers (DLC).
Fan projects:Sonic Utopia, Sonic GT, Open Sonic — open-source 3D engines. Not official.
Mods: Skyrim mods adding Sonic characters (followers, races, weapons). PC only.
If You Want This Experience
Play Sonic Frontiers for modern open-zone Sonic.
Play Skyrim with Sonic mods (Nexus Mods: "Sonic the Hedgehog Race," "Shadow Follower").
Support fan devs on Game Jolt / itch.io making 3D Sonic fangames.
Sega + Bethesda crossover RPG remains pure speculation—almost certainly fan fiction.