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New concept art for Sonic & friends through the ages shown at 25th anniversary event - NeoGAF

New concept art for Sonic & friends through the ages shown at anniversary event - NeoGAF

Sonic 25th Anniversary Comparison - YouTube

Sonic 25th Anniversary Comparison - YouTube

Sonic 25th Anniversary: Classic Adventure by Alaska-Pollock

Sonic Anniversary: Classic Adventure by Alaska-Pollock

Sonic 25th Anniversary: Genesis by Alaska-Pollock

Sonic Anniversary: Genesis by Alaska-Pollock

Sonic 25th Anniversary Animatic - YouTube

Sonic 25th Anniversary Animatic - YouTube

Sonic 25th Anniversary: Bad Future by Alaska-Pollock

Sonic Anniversary: Bad Future by Alaska-Pollock

Tails

Sonic 25th Anniversary Mobile Wallpapers

Some Sonic mobile wallpapers for 25th anniversary - Imgur

Some Sonic mobile wallpapers for 25th anniversary