Restaurant.com offers 80% off any gift certificate with use of coupon code "SPECIAL". This is the only the second time we've seen Restaurant.com's offer 80% off. The coupon code cuts $25 dining certificates to $2 and $10 gift certificates to 60 cents. Gift cefticiates from Restaurant.com are redeemable at local restaurants across the US. Some certificates have restrictions like dine-in only or $10 minimum purchase. Different locations will have different restrictions. Code SPECIAL expires on May 31st.