Current physical exclusives:
-1-2-Switch
-88 Heroes: 98 Heroes Edition
-ARMS
-Azure Striker Gunvolt: Striker Pack*(some new content added not in 3DS version, not sure if Shovel Knight amiibo boss is included)
-Batman: The Telltale Series* (*while a season-pass disc was released on other platforms, this version may be the complete version with all episodes, but not confirmed yet)
-Cave Story+
-Champion Jockey Special (Japan only)
-Disgaea 5: Complete (includes all DLC plus possibly new extras)
-Dragon Quest Heroes 1 and 2* (*physical copy currently confirmed for Japan, but still likely to be in other regions I would think*)(includes all DLC from PS4 versions and new characters)
-Farming Simulator: Nintendo Switch Edition (may just be a port of one of the previous releases, not sure yet)
-Fate/Extella: The Umbral Star (this version includes all previously released DLC and some new exclusive content)
-Guardians of the Galaxy: The Telltale Series (possibly multi-platform)
-Ittle Dew 2
-Lego Worlds (Switch version is unique in that it includes 2 DLC packs with it on the game cartridge)
-Mario Kart 8 Deluxe (includes all DLC plus some new content)
-Mario+Rabbids: Kingdom Battle
-Metroid Prime 4
-Minna de Waiwai! Spelunker* (*Japan exclusive physical copy*)
-Monopoly for Nintendo Switch
-Penny-Punching Princess (may have a Japan-only physical version on Vita as well, but not confirmed yet)
-Poi
-Pokken Tournament DX
-Project Octopath Traveler
-Rayman Legends Definitive Edition (may be multiplatform?)(Switch version has some new unique multiplayer modes, so this version may stay Switch exclusive)
-Seiken Densetsu Collection*(contains ports of The Final Fantasy Adventure, Secret of Mana and Seiken Densetsu 3)(probably wont be released outside of Japan due to SD3 not having an official translation)
-Soldam: Drop, Connect, Erase
-Splatoon 2
-Super Bomberman R
-Super Mario Odyssey
-The End is Nigh
-The Longest Five Minutes (may have a Japan-only physical version on Vita as well, but not confirmed yet)
-Tiny Barbarian DX
-Ultra Street Fighter II: The Final Challengers
-Xenoblade Chronicles 2
Names not final:
-new main-line Pokemon RPG
-new Kirby
-new Yoshi
-new Shin Megami Tensei franchise title
Not exclusive, but also revealed to be physical:
-Aokana: Four Rhythm Across the Blue (visual novel, other platforms may have had physical copies, but not sure, probably will be Japan only release)
-Aragami: Directors Cut
-Atelier Lydie & Soeur
-Axiom Verge (will have the same Deluxe edition package as Wii U & PS4)
-Batman: The Enemy Within (listed on Amazon, seems like it may be the disc versions and only have the first episode on it)
-Battle Chasers: Nightwar
-Binding of Isaac: Afterbirth
-Blade Strangers
-Bloodstained: Ritual of the Night
-Cars 3: Driven to Win (Switch version is exclusive to Argos stores in the UK)
-Cartoon Network Battle Crashers
-Chicken Range (possibly PAL only release)
-Constructor (Switch version may be Europe only)
-Dragon Ball Xenoverse 2
-Dragon Quest X: All In One Package* (*japan only)
-Dragon Quest X Version 4 (*japan only, expansion pack for Dragon Quest X)
-Dragon Quest Builders 2
-FIFA 18
-Fire Emblem Warriors* (*also confirmed for 3DS, probably is same game, but possibly different content?*)
-Has-Been Heroes (exclusive to GameStop stores for all versions of the game)
-I Am Setsuna* (*Japan exclusive physical copy*)(EDIT: Japanese and Asian region versions apparently include the English translation)
-Indivisible
-Just Dance 2017
-Just Dance 2018
-LEGO Marvel Super Heroes 2
-LEGO Ninjago Movie Game
-Lego City: Undercover
-Lost Sphear (physical version may be exclusive to Square-Enix online store, at least outside of Japan)
-Lumo (possibly US only release)
-Minecraft Story Mode: Complete Adventure
-Minecraft: Nintendo Switch Edition* (*looks to be the same content as Minecraft: Wii U Edition, but Switch version may possibly include more content packs in its base game)
-Monster Hunter XX Nintendo Switch Ver.
-Monster Jam Crush It
-NBA 2K18 (available in 3 versions: standard release, Legend Edition and Legend Edition Gold)
-Nights of Azure 2
-Nobunaga’s Ambition: Sphere of Influence (includes Power-Up Kit and some DLC and new officer creation mode)(seems like it will be a physical release as only One version was listed as a download)
-Nobunaga no Yabou: Taishi (currently Japan only)
-One Piece: Unlimited World Red Deluxe Edition(includes all DLC from previous version)
-Portal Knights
-Puyo Puyo Tetris
-R.B.I. Baseball 17
-Redout
-Resident Evil Revelations Collection(cant find official proof yet, but I have seen comments saying that this is the first game on the game-card and 2nd as a download on a voucher)
-RiME
-Rocket League
-Romance of the Three Kingdoms XIII (includes Power-Up Kit and new Switch features)(seems like it will be a physical release as only One version was listed as a download)
-Shantae: Half-Genie Hero
-Sine Mora EX
-Skylanders Imaginators
-Sonic Forces
-Starlink: Battle For Atlas
-Steep (not confirmed if it will have the constant online requirement like the other versions)
-Superbeat: Xonic
-The Elder Scrolls V: Skyrim
-The Legend of Zelda: Breath of the Wild (also on Wii U)
-Touhou Kobuto V: Burst Battle
-Troll and I
-Unbox: Newbie’s Adventure
-Vegas Party (possibly PAL only release)
-Winning Post 8 2017 (Japan only)
-WWE 2K18
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POSSIBLE physical? (exclusives/multi-platform):
-Dynasty Warriors 8: Empires (includes all DLC)
-Samurai Warriors: Spirit of Sanada (includes all DLC)
-Warriors Orochi 3 Ultimate (includes all DLC)
-Saber Rider and the Star Sheriffs
-Beyond Good & Evil 2
-Gotouchi Tetsudou
-Fe
-Fear Effect Reinvented
-2064: Read Only Memories
-Unruly Heroes
-PHOTON³
-Extinction
-Implosion
-Ironcast
-The Mummy Demastered
-Anonymous;Code
-Project Rap Rabbit
-Tiny Metal
-Harvest Moon: Light of Hope
-new "Tales of" game
-Taiko Drum Master
-Monster Boy and the Cursed Kingdom (devs currently taking votes for a possibly physical version for Switch: https://twitter.com/FDG_Games/status/844948632700948480 )
-Sonic Mania
-Syberia 1
-Syberia 2
-Syberia 3 (will be physical on other platforms)
-Dragon Quest XI
-Payday 2
-Fast RMX (I think this is a sequel or port of Fast Racing Neo)
-Rogue Trooper: Redux
-Arcade Archives (this is a collection of NeoGeo titles including The King of Fighters ‘98, Waku Waku 7, Shock Troopers, World Heroes Perfect and Metal Slug 3. They each have an individual price on the eShop, but the Archives may also refer to a complete package as well?)
-Shovel Knight (may include new Specter Knight expansion + other updates)
-1001 Spikes (same publisher as Binding of Issac and Redout mentions they are bringing it to Switch)
-Oceanhorn (confirmed for the system, may be coming along side the LRG Vita&PS4 versions (no confirmation))
-Snake Pass
-Runner 3
-SteamWorld Dig 2
-World of Goo (probably eShop only)
-Stardew Valley
-State of Mind
-The Sacred Hero
-Seasons of Heaven
-Cube Life: Island Survival (probably eShop only. Minecraft clone)
-Human Resource Machine (probably eShop only)
-Little Inferno (probably eShop only)
-Riverside (probably eShop only, looks like a "walking-simulator" type game, could be wrong)
-Gear.Club
-Flashback Remastered
-Blacksad
Removed/100% confirmed Digital: (for hopefully wishes and offerings to the LRG gods)
-Snipperclips (currently confirmed as eShop exclusive) (never going to get a physical release unless Nintendo does it since its first party, possibly may get a Deluxe version like FreakyForms on 3DS?)
-VOEZ
-Yooka-Laylee (physical version may exist at a later point)
-Project Mekuru
-NBA Playgrounds
-Mighty Gunvolt Burst (may get a physical release in Japan alongside the Switch version of the Azure Striker Gunvolt Pack)
-Shinobi Refle Senran Kagura
-Namco Museum
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*Special Editions and preorder bonus tat*
-The Legend of Zelda: Breath of the Wild COLLECTORS EDITION+PREORDER BONUS (Switch version exclusive collector editions, 2 variations, "Master" edition (the more pricey one) includes statuette)(copies from GameStop for Switch and Wii U versions come with poster while various retailers in EU regions have specific exclusive bonuses)
-Disgaea 5: Complete COLLECTORS EDITION (NIS Online-Store Exclusive)
-Mario+Rabbids: Kingdom Battle COLLECTORS EDITION (GameStop exclusive: Includes Mario Rabbid figure, 12 collector cards and soundtrack disc)
-Touhou Kobuto V: Burst Battle COLLECTORS EDITION (NIS Online-Store Exclusive)
-Axiom Verge DELUXE EDITION (includes soundtrack CD & documentary + physical manual)
-Fate/Extella: The Umbral Star LIMITED EDITION* (*currently Japan only*: Includes a special travel pouch)
-Nights of Azure 2 LIMITED EDITION (NIS Online-Store Exclusive)
-Monster Hunter XX Nintendo Switch Ver. COLLECTORS EDITION* (*Japan only, appears to be same contents of Japan-only 3DS version CE)
-Azure Striker Gunvolt: Striker Pack LIMITED EDITION (*currently Japan only*: includes drama CD and dvd of OVA)
-Puyo Puyo Tetris LAUNCH EDITION (comes bundled with Tetrimino and Puyo key chain set. Key chain set looks exclusive to Switch version and wont be with PS4 copies)
-NBA 2K18 LAUNCH EDITION(S) (Legend Edition: Includes Limited-edition Shaq poster, 5 Panini trading cards, stickers. Legend Edition Gold includes same as other version + a Lenticular and 5 more trading cards. Both versions also include additional DLC)
-Binding of Issac: Afterbirth LAUNCH EDITION: (includes 2 sticker sheets and alternate reverse cover + full color manual)(there is also a reprint variant cover version)
-Cave Story+ LAUNCH EDITION + PREORDER BONUS? (includes full color art book & mini music CD) (GameStop exclusive(?): includes 1 random key chain from a set of 3)
-RiME PREORDER BONUS (includes a cloth map of game world, currently listed on both GameStop and Amazon)